chore: add GitHub Actions

.github/workflows/release.yml

@@ -0,0 +1,22 @@
+name: 'GitHub Release'
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+      - '!v*.*.*-*'
+
+jobs:
+  build:
+    name: Create Release
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/create-release@v1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          tag_name: ${{ github.ref }}
+          release_name: Release ${{ github.ref }}
+          draft: false
+          prerelease: false

.github/workflows/schedule.yml

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+name: 'schedule'
+
+on:
+  schedule:
+    - cron: '0 0,6,12,18 * * *'
+
+jobs:
+  gitee:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: ttionya/Repository-Sync-Hub@v1
+      with:
+        target_repository: 'https://gitee.com/ttionya/BitwardenRS-Backup.git'
+        http_access_name: 'ttionya'
+        http_access_token: ${{ secrets.GITEE_HTTP_ACCESS_TOKEN }}

.github/workflows/sync.yml

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+name: 'sync'
+
+on:
+  push:
+  delete:
+
+jobs:
+  gitee:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: ttionya/Repository-Sync-Hub@v1
+        with:
+          target_repository: 'https://gitee.com/ttionya/BitwardenRS-Backup.git'
+          http_access_name: 'ttionya'
+          http_access_token: ${{ secrets.GITEE_HTTP_ACCESS_TOKEN }}