Add apko container definition, build workflow, and gitignore. Added container helper base image

.gitea/workflows/build-base-apps.yml

@@ -0,0 +1,38 @@
+name: "Build base apps"
+
+on:
+  push:
+    branches:
+      - "main"
+    paths:
+      - "applications/**"
+  workflow_dispatch: 
+
+env:
+  REGISTRY: "git.battlestati.one"
+
+jobs: 
+  build:
+    runs-on: linux_amd64
+    
+    strategy: 
+      matrix:
+        include:
+          - section: "app_base"
+            name: "container_helper"
+    
+    steps:
+      - name: "Checkout code"
+        uses: actions/checkout@v4
+        
+      - name: "Login into docker registry"
+        run: echo "${{ secrets.RELEASE_TOKEN }}" | docker login ghcr.io -u ${{ gitea.actor }} --password-stdin
+      
+      - name: "Build apko image"
+        run: |
+          docker run \
+            -v ~/.docker/config.json:/root/.docker/config.json:ro \
+            -v "$PWD":/work \
+            cgr.dev/chainguard/apko publish \
+            ${{ matrix.section }}/${{ matrix.name }}/apko.yml \
+            ${{ env.REGISTRY }}/moonlight-panel/${{ matrix.section }}/${{ matrix.name }}