refactor(db): replace sqlc with handwritten pgx repos

- Finish Paddle-to-Stripe billing migration; drop paddle/stripe libs
- Renumber migrations; add 00012 memberships+manage_token,
  00013 location_type_capacity
- Add tests: admin, auth, bookings customer service
- Remove graphify-out artifacts and stale env files

Authored By: TDvorak <[email protected]>

Generated with [Devin](https://devin.ai)

Co-Authored-By: Devin <158243242+devin-ai-integration[bot]@users.noreply.github.com>

apps/frontend/package.json

@@ -12,11 +12,9 @@
   "dependencies": {
     "@bookra/api-client": "0.1.0",
     "@bookra/shared-types": "0.1.0",
-    "@neondatabase/neon-js": "^0.2.0-beta.1",
-    "@paddle/paddle-js": "^1.3.2",
+    "@neondatabase/neon-js": "^0.7.0-beta",
     "@sentry/react": "^10.52.0",
     "@solidjs/router": "^0.15.3",
-    "@stripe/stripe-js": "^4.0.0",
     "solid-js": "^1.9.5"
   },
   "devDependencies": {