chore(v5): archive V5 implementation and remove runtime integration

Move V5 source, migrations, UI, scripts, and tests into documentation, then remove V5 routes, models, jobs, configuration, dependencies, and application hooks.

.env.development.example

@@ -3,7 +3,6 @@ APP_ENV=local
 APP_NAME=Coolify
 APP_ID=development
 APP_KEY=
-COOLIFY_FLUX_LARAVEL_API_TOKEN=development-flux-token
 APP_URL=http://localhost
 APP_PORT=8000
 APP_DEBUG=true