feat: implement unified researcher search and enhance dashboard functionality

- Updated the API service to include a new `searchResearcher` function for streamlined researcher data retrieval.
- Modified `LandingPage` to utilize the new search functionality, reducing the number of API calls.
- Refactored `DashboardPage` to handle the new data structure returned from the search, improving loading efficiency and user experience.
- Enhanced `vite.config.js` and `.env.example` for better API integration and development setup.
- Added health checks in `docker-compose.yml` for database and Redis services to ensure service reliability.

docker-compose.yml

@@ -12,8 +12,10 @@ services:
       DATABASE_URL: postgresql://postgres:postgres@db:5432/orcid_db
       REDIS_URL: redis://redis:6379/0
     depends_on:
-      - db
-      - redis
+      db:
+        condition: service_healthy
+      redis:
+        condition: service_started
 
   frontend:
     build: ./frontend
@@ -38,6 +40,11 @@ services:
       - "5432:5432"
     volumes:
       - postgres_data:/var/lib/postgresql/data
+    healthcheck:
+      test: ["CMD-SHELL", "pg_isready -U postgres -d orcid_db"]
+      interval: 2s
+      timeout: 3s
+      retries: 20
 
   redis:
     image: redis:7