add auto-updater

.github/workflows/release.yml

@@ -0,0 +1,28 @@
+name: 更新 md5
+on:
+  push:
+    tags:
+      - 'v*'
+
+jobs:
+  update:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2.3.4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: '1.17'
+
+      - name: Run Updater
+        env:
+          REILIA_SPS: ${{ secrets.REILIA_SPS }}
+        run: |
+          ls
+          go mod init updater
+          go mod tidy
+          go run main.go