fix bug and add mysql driver

.github/workflows/release.yml

@@ -0,0 +1,60 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - "v*.*.*"
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    env:
+      CGO_ENABLED: 1
+    steps:
+      - name: Checkout codebase
+        uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+
+      - name: Build Yggdrasil Server
+        uses: crazy-max/ghaction-xgo@v2
+        with:
+          xgo_version: latest
+          go_version: 1.19
+          dest: build
+          prefix: yggdrasil
+          targets: windows/amd64,linux/amd64,linux/arm64,darwin/amd64,darwin/arm64
+          v: true
+          x: false
+          race: false
+          ldflags: -s -w -buildid=
+          tags: nomsgpack sqlite mysql
+          trimpath: true
+
+      - name: Prepare package
+        run: cp -v ./config_example.ini ./build
+
+      - name: Create ZIP archive
+        run: |
+          pushd build || exit 1
+          ls -alh
+          zip -9vr ../yggdrasil.zip .
+          popd || exit 1
+          FILE=./yggdrasil.zip
+          DGST=$FILE.dgst
+          openssl dgst -md5    $FILE | sed 's/([^)]*)//g' >>$DGST
+          openssl dgst -sha1   $FILE | sed 's/([^)]*)//g' >>$DGST
+          openssl dgst -sha256 $FILE | sed 's/([^)]*)//g' >>$DGST
+          openssl dgst -sha512 $FILE | sed 's/([^)]*)//g' >>$DGST
+
+      - name: Upload files to GitHub release
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          prerelease: true
+          body: For test only
+          name: ${{ github.ref_name }} Pre Release
+          files: yggdrasil.zip*