新增GitHub Actions工作流以构建和推送Docker镜像，更新.gitignore以排除.github目录

.github/workflows/build-image.yml

@@ -0,0 +1,43 @@
+
+name: Docker Image Build
+
+on:
+  push:
+    branches: [main]
+
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+concurrency:
+  group: pages
+  cancel-in-progress: false
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v2
+
+    - name: Log in to Harbor
+      uses: docker/login-action@v2
+      with:
+        registry: git.liteyuki.icu
+        username: ${{ secrets.GITEA_USERNAME }}
+        password: ${{ secrets.GITEA_PASSWORD }}
+
+    - name: Build and push Docker image
+      uses: docker/build-push-action@v4
+      with:
+        context: .
+        push: true
+        tags: git.liteyuki.icu/bot/app:latest
+
+    - name: Log out from Gitea
+      run: docker logout git.liteyuki.icu

.gitignore

@@ -24,7 +24,6 @@ config.yml
 config.example.yml
 
 # vuepress
-.github
 
 # mupy
 mypy.ini