ci: 简化 Gitea Actions workflow

- 使用更兼容的语法
- 简化编译步骤
- 直接使用 Gitea API 上传 Release 而不是 GitHub Actions

.gitea/workflows/build.yml

@@ -0,0 +1,67 @@
+name: Build Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+  workflow_dispatch:
+
+jobs:
+  build-windows:
+    name: Build Windows
+    runs-on: ubuntu-latest
+    
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v4
+      
+    - name: Setup Rust
+      run: |
+        rustup toolchain install stable --profile minimal --target x86_64-pc-windows-gnu
+        rustup target add x86_64-pc-windows-gnu
+        cargo install --target x86_64-pc-windows-gnu cross 2>&1 || true
+    
+    - name: Install MinGW
+      run: |
+        sudo apt-get update
+        sudo apt-get install -y mingw-w64 x86_64-w64-mingw32-posix-runtime
+    
+    - name: Build
+      env:
+        CARGO_TARGET_X86_64_PC_WINDOWS_GNU_LINKER: x86_64-w64-mingw32-gcc
+      run: |
+        cargo build --release --target x86_64-pc-windows-gnu
+    
+    - name: Package
+      run: |
+        mkdir -p dist
+        cp target/x86_64-pc-windows-gnu/release/readflow.exe dist/
+        cd dist
+        zip -r -q readflow-windows-x86_64.zip readflow.exe
+        echo "ReadFlow Windows x86_64" > README.txt
+        echo "Build completed at $(date)" >> README.txt
+        zip -r -q readflow-windows-x86_64.zip README.txt
+        
+    - name: Upload to Release
+      run: |
+        TAG="${{ github.ref_name }}"
+        TOKEN="${{ secrets.GITEA_TOKEN }}"
+        
+        # Get or create release
+        RELEASE_ID=$(curl -s -X POST "http://192.168.120.110:4000/api/v1/repos/damai/readflow/releases" \
+          -H "Authorization: token ${TOKEN}" \
+          -H "Content-Type: application/json" \
+          -d "{\"tag_name\": \"${TAG}\", \"name\": \"ReadFlow ${TAG}\", \"draft\": false, \"prerelease\": false}" \
+          | jq -r '.id')
+        
+        if [ "$RELEASE_ID" != "null" ]; then
+          echo "Release exists: ${RELEASE_ID}"
+        else
+          echo "Creating new release"
+        fi
+        
+        # Upload asset
+        curl -s -X POST "http://192.168.120.110:4000/api/v1/repos/damai/readflow/releases/${RELEASE_ID}/assets" \
+          -H "Authorization: token ${TOKEN}" \
+          -H "Content-Type: application/zip" \
+          --data-binary @dist/readflow-windows-x86_64.zip