Add artisanal production switching

[wvpm]

• restrict coastal production types (Add game rule for coastal production #606 )
• add basic artisanal production switching (Add artisanal production switching #605 )
• take local good availability into account
• centralise the rng in a way that can be synced (Add xoshiro as submodule #610 Add weighted sampling #613 Randomise artisan switching #614) (syncing for MP moved to Network/Multiplayer logic #430 )
• use defines.economy.GOODS_FOCUS_SWAP_CHANCE to determine whether or not to switch if profitable (Switch artisanal production based on defines and score #634 )
• sell artisanal stockpile that is no longer used instead of setting the stockpile to the desired inputs (Artisan produce old good before buying new inputs #649 )
• let artisan produce old good one last time and buy inputs for new production type (Artisan produce old good before buying new inputs #649 )