feat: refactor authentication and user management routes

- Removed the API proxy middleware and integrated RPC routes for user authentication.
- Implemented JWT token generation and validation in the authentication middleware.
- Enhanced user registration and login processes with password hashing and token management.
- Added new routes for user password reset and Google OAuth login.
- Introduced health check endpoints for service monitoring.
- Updated gRPC client methods for user management, including password updates.
- Refactored utility functions for token handling and Redis interactions.
- Improved type definitions for better TypeScript support.

package.json

@@ -13,6 +13,7 @@
     "@bufbuild/protobuf": "^2.11.0",
     "@grpc/grpc-js": "^1.14.3",
     "@hattip/adapter-node": "^0.0.49",
+    "@hiogawa/tiny-rpc": "^0.2.3-pre.18",
     "@hono/node-server": "^1.19.11",
     "@hono/zod-validator": "^0.7.6",
     "@pinia/colada": "^0.21.7",