refactor: migrate to monorepo structure with Docker, PocketBase, and e2e tests

- Reorganize into apps/, packages/, docs/, e2e/, pocketbase/ directories
- Add Dockerfiles for web, worker, and PocketBase services
- Add docker-compose.yml for local orchestration
- Add turbo.json for monorepo task management
- Add Playwright e2e test infrastructure
- Add PocketBase backend with migrations
- Remove Vite/Next.js/ESLint/PostCSS config files
- Update package.json with workspace dependencies
- Add .env.example and .dockerignore

drizzle.config.ts

@@ -1,7 +0,0 @@
-import { defineConfig } from "drizzle-kit";
-
-export default defineConfig({
-  out: "./drizzle",
-  schema: "./db/schema.ts",
-  dialect: "sqlite",
-});