Add two new simulation visualizations to homepage

[sbryngelson]

Adds two new simulation cards to the Featured Simulations grid on the homepage.

Sphere-sphere collision and wall rebound (Fundamentals section)

• Vorticity field visualization
• Phoenix · 4 A100s · ~2h wall time
• https://www.youtube.com/watch?v=5ugLuDtV0C0

Shock — 1,000 grid-resolved particles (Shock-droplet section)

• Pressure field visualization
• Phoenix · 4 A100s · ~1.5h wall time
• https://www.youtube.com/watch?v=ufisHG0KkOU

Thumbnails pulled from YouTube (docs/res/simulations/w.jpg and x.jpg).

[qodo-code-review]

Code Review by Qodo

🐞 Bugs (1) 📘 Rule violations (0)

1. Missing noopener on links 🐞 Bug ⛨ Security

Description

The new simulations add additional external source URLs that are rendered into `<a
target="_blank"> links without rel="noopener noreferrer"`, allowing the opened page to access
window.opener (reverse-tabnabbing). This is a pre-existing pattern in the template, but this PR
expands exposure by adding more external links.

Code

docs/index.html[61]

+            { name: "Shock — 1,000 grid-resolved particles",  image: "res/simulations/x.jpg", computer: "Phoenix",    computerUrl: "https://www.pace.gatech.edu/",                                                 accelerators: "4 A100s",   walltime: "~1.5h", source: "https://www.youtube.com/watch?v=ufisHG0KkOU" },

Evidence

The newly added simulation entries include external source URLs. The page renders s.source into
an anchor with target="_blank" but without rel="noopener noreferrer"; similarly, s.computerUrl
is rendered into a target="_blank" anchor without rel, enabling reverse-tabnabbing for any
clicked external link.

docs/index.html[61-61]
docs/index.html[78-78]
docs/index.html[85-104]

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

## Issue description
Simulation cards open external links in a new tab via `target="_blank"` without `rel="noopener noreferrer"`, which allows reverse-tabnabbing through `window.opener`.
### Issue Context
This is a pre-existing rendering pattern, but the PR adds more external `source` links (and the cards also render `computerUrl` similarly), expanding exposure.
### Fix Focus Areas
- docs/index.html[96-99]
- docs/index.html[103-103]
### Implementation notes
Add `rel="noopener noreferrer"` to the `<a ... target="_blank">` used for `s.source`, and to the conditional `<a ... target="_blank">` used for `s.computerUrl`.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

---

Previous review results

Review updated until commit f2ada2c

Results up to commit f2ada2c

🐞 Bugs (1) 📘 Rule violations (0)

1. Missing noopener on links 🐞 Bug ⛨ Security

Description

The new simulations add additional external source URLs that are rendered into `<a
target="_blank"> links without rel="noopener noreferrer"`, allowing the opened page to access
window.opener (reverse-tabnabbing). This is a pre-existing pattern in the template, but this PR
expands exposure by adding more external links.

Code

docs/index.html[61]

+            { name: "Shock — 1,000 grid-resolved particles",  image: "res/simulations/x.jpg", computer: "Phoenix",    computerUrl: "https://www.pace.gatech.edu/",                                                 accelerators: "4 A100s",   walltime: "~1.5h", source: "https://www.youtube.com/watch?v=ufisHG0KkOU" },

Evidence

The newly added simulation entries include external source URLs. The page renders s.source into
an anchor with target="_blank" but without rel="noopener noreferrer"; similarly, s.computerUrl
is rendered into a target="_blank" anchor without rel, enabling reverse-tabnabbing for any
clicked external link.

docs/index.html[61-61]
docs/index.html[78-78]
docs/index.html[85-104]

Agent prompt

The issue below was found during a code review. Follow the provided context and guidance below and implement a solution

### Issue description
Simulation cards open external links in a new tab via `target="_blank"` without `rel="noopener noreferrer"`, which allows reverse-tabnabbing through `window.opener`.

### Issue Context
This is a pre-existing rendering pattern, but the PR adds more external `source` links (and the cards also render `computerUrl` similarly), expanding exposure.

### Fix Focus Areas
- docs/index.html[96-99]
- docs/index.html[103-103]

### Implementation notes
Add `rel="noopener noreferrer"` to the `<a ... target="_blank">` used for `s.source`, and to the conditional `<a ... target="_blank">` used for `s.computerUrl`.

ⓘ Copy this prompt and use it to remediate the issue with your preferred AI generation tools

---

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 922336be-9938-4e52-9edb-8a49de2326f4

📥 Commits

Reviewing files that changed from the base of the PR and between a314b0b and f2ada2c.

⛔ Files ignored due to path filters (2)

• docs/res/simulations/w.jpg is excluded by !**/*.jpg
• docs/res/simulations/x.jpg is excluded by !**/*.jpg

📒 Files selected for processing (1)

• docs/index.html

---

📝 Walkthrough

Walkthrough

Two new featured simulation cards are added to the simulation array in the documentation index. Each card object includes a simulation title, thumbnail image, compute system metadata, accelerator count, walltime string, and a link source. These new entries will be rendered in the front-end alongside existing simulation cards. No public or exported entities were modified.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	❓ Inconclusive	The description provides clear details about the two new simulations, their specifications, and resources, but lacks the required PR template structure with sections for type of change, testing, and checklist.	Format the description to follow the repository's PR template, including sections for Type of change, Testing, and Checklist to ensure consistency with project standards.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately and concisely describes the main change: adding two new simulation visualizations to the homepage.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

_{✏️ Tip: You can configure your own custom pre-merge checks in the settings.}

---

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[qodo-code-review]

Persistent review updated to latest commit f2ada2c