Add Gitea Actions workflow for PBO build

.gitea/workflows/build.yml

@@ -0,0 +1,60 @@
+name: Build Mission PBO
+
+on:
+  push:
+    branches: [main, master]
+    tags: ['v*']
+  workflow_dispatch:
+
+env:
+  PBO_NAME: CTI_34_KP_Liberation_v0.96.7a_Ruha.ruha.pbo
+
+jobs:
+  pack:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Pack mission folder into PBO
+        run: |
+          docker run --rm \
+            -v "${{ github.workspace }}:/workspace" \
+            -w /workspace \
+            arwynfr/armake2:debian \
+            pack \
+            "CTI 34 KP Liberation v0.96.7a Ruha.ruha" \
+            "${{ env.PBO_NAME }}"
+
+      - name: Verify PBO integrity
+        run: |
+          docker run --rm \
+            -v "${{ github.workspace }}:/workspace" \
+            -w /workspace \
+            arwynfr/armake2:debian \
+            inspect "${{ env.PBO_NAME }}"
+
+      - name: Upload PBO as artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: ${{ env.PBO_NAME }}
+          path: ${{ env.PBO_NAME }}
+
+  deploy:
+    if: false
+    needs: [pack]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Download PBO artifact
+        uses: actions/download-artifact@v4
+        with:
+          name: ${{ env.PBO_NAME }}
+
+      - name: Deploy to game server via SCP
+        uses: appleboy/scp-action@v1
+        with:
+          host: ${{ secrets.SERVER_HOST }}
+          username: ${{ secrets.SERVER_USER }}
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          source: ${{ env.PBO_NAME }}
+          target: /path/to/server/mpmissions/