Fix Docker Compose command syntax

- Replace deprecated 'docker-compose' with modern 'docker compose'
- Update all workflow files to use new syntax
- Update documentation with correct commands
- Fixes 'command not found' error in CI/CD pipeline
- Compatible with Docker Compose V2 and newer versions

.gitea/workflows/ci-cd.yml

@@ -81,7 +81,7 @@ jobs:
 
       - name: Stop existing services
         run: |
-          docker-compose down || true
+          docker compose down || true
 
       - name: Verify secrets and variables before deployment
         run: |
@@ -119,7 +119,7 @@ jobs:
 
       - name: Start services with Docker Compose
         run: |
-          docker-compose up -d
+          docker compose up -d
         env:
           NODE_ENV: ${{ vars.NODE_ENV }}
           LOG_LEVEL: ${{ vars.LOG_LEVEL }}