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/packages/config/package.json

@@ -0,0 +1,9 @@
+{
+  "name": "@{{project-slug}}/config",
+  "version": "0.1.0",
+  "private": true,
+  "exports": {
+    "./tsconfig.base.json": "./tsconfig.base.json",
+    "./eslint": "./eslint.config.js"
+  }
+}