REFACTOR(repo): simplify project structure

- Move services/nextjs/ to nextjs/
- Move Dockerfile.prod to Dockerfile at root
- Remove deploy/ folder (K8s manifests moved to K3S-HOME/web-apps)
- Remove .gitea/ workflows
- Update GitHub Actions for new structure
- Remove develop branch triggers

.github/workflows/ci.yml

@@ -2,9 +2,9 @@ name: CI
 
 on:
   push:
-    branches: [main, develop]
+    branches: [main]
   pull_request:
-    branches: [main, develop]
+    branches: [main]
 
 jobs:
   lint-and-build:
@@ -19,27 +19,27 @@ jobs:
         with:
           node-version: '20'
           cache: 'npm'
-          cache-dependency-path: services/nextjs/package-lock.json
+          cache-dependency-path: nextjs/package-lock.json
 
       - name: Install dependencies
-        working-directory: services/nextjs
+        working-directory: nextjs
         run: npm ci
 
       - name: Run ESLint
-        working-directory: services/nextjs
+        working-directory: nextjs
         run: npm run lint
 
       - name: Build Next.js application
-        working-directory: services/nextjs
+        working-directory: nextjs
         run: npm run build
         env:
           NEXT_TELEMETRY_DISABLED: 1
 
       - name: Check build output
-        working-directory: services/nextjs
+        working-directory: nextjs
         run: |
           if [ ! -d ".next" ]; then
             echo "Build failed: .next directory not found"
             exit 1
           fi
-          echo "✅ Build completed successfully"
+          echo "Build completed successfully"