chore: add SKILL.md, AGENTS.md for agentic project documentation; update repository URLs in package.json files

[olamide226]

No description provided.

[Copilot]

Pull request overview

This PR adds agent-facing documentation (project context + inferred development patterns) and normalizes GitHub repository URLs in plugin package.json metadata.

Changes:

• Update repository.url and homepage casing in the Vite and Next plugins’ package.json.
• Add AGENTS.md with a comprehensive architecture + conventions reference for REP.
• Add .agents/skills/rep/SKILL.md as an auto-generated “development patterns” skill document.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated no comments.

File	Description
plugins/vite/package.json	Updates repository/homepage URLs to https://github.com/RuachTech/rep for consistent casing.
plugins/next/package.json	Same URL casing update for the Next plugin package metadata.
AGENTS.md	Introduces a large agent context document describing REP architecture, structure, conventions, and commands.
.agents/skills/rep/SKILL.md	Adds an auto-generated skill document describing repo patterns and workflows.

Notes / required follow-ups:

• .agents/skills/rep/SKILL.md is entirely wrapped in a top-level ```markdown fenced block, which will render the whole file as code (headings/links won’t render as Markdown). The outer fence should be removed so the document renders normally.
• AGENTS.md contains a few internal consistency issues with the rest of the repo’s current metadata: it states the org as github.com/ruachtech while the repo/package metadata uses https://github.com/RuachTech/rep, and the “Status” line lists much older component versions even though the repository changelogs indicate newer released versions. It should be updated (or made version-agnostic) to avoid becoming misleading documentation.

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