feat: add Turborepo per-project monorepo scaffold and project API

- Add Turborepo scaffold templates (apps: product, website, admin, storybook; packages: ui, tokens, types, config)
- Add ProjectRecord and AppRecord types to control plane
- Add Gitea integration service (repo creation, scaffold push, webhooks)
- Add Coolify integration service (project + per-app service provisioning with turbo --filter)
- Add project routes: GET/POST /projects, GET /projects/:id/apps, POST /projects/:id/deploy
- Update chat route to inject project/monorepo context into AI requests
- Add deploy_app and scaffold_app tools to Gemini tool set
- Update deploy executor with monorepo-aware /execute/deploy endpoint
- Add TURBOREPO_MIGRATION_PLAN.md documenting rationale and scope

Co-authored-by: Cursor <cursoragent@cursor.com>

platform/scripts/templates/turborepo/.gitignore

@@ -0,0 +1,41 @@
+# Dependencies
+node_modules
+.pnp
+.pnp.js
+
+# Build outputs
+dist
+.next
+out
+build
+storybook-static
+
+# Turbo
+.turbo
+
+# Environment
+.env
+.env.local
+.env.*.local
+
+# Logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Editor
+.vscode/settings.json
+.idea
+
+# Testing
+coverage
+.nyc_output
+
+# TypeScript
+*.tsbuildinfo