feat: init POI Knowledge Portal with CI/CD workflow

.gitea/workflows/mkdocs-build.yml

@@ -0,0 +1,34 @@
+name: Build and Deploy MkDocs (POI Portal)
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.11"
+          
+      - name: Install MkDocs and Plugins
+        run: |
+          pip install mkdocs-material
+          pip install mkdocs-multirepo-plugin
+          
+      - name: Build HTML Site
+        run: mkdocs build
+        
+      - name: Deploy to Nginx Document Root
+        # 주의: 실제 Nginx 호스팅 경로(예: /opt/data/nginx/html)로 복사하도록 추후 환경에 맞게 수정
+        run: |
+          echo "Build successful! Deploying site/ to target directory..."
+          # cp -r site/* /opt/data/nginx/html/poi-portal/