Add CI workflow: multi-platform release builds, artifact upload, and tag-triggered GitHub Releases

.github/workflows/ci.yml

@@ -0,0 +1,68 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - '**'
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+            binary_suffix: ""
+          - os: ubuntu-24.04-arm
+            target: aarch64-unknown-linux-gnu
+            binary_suffix: ""
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
+            binary_suffix: ".exe"
+            vcpkg_triplet: x64-windows-static-md
+          - os: windows-latest
+            target: aarch64-pc-windows-msvc
+            binary_suffix: ".exe"
+            vcpkg_triplet: arm64-windows-static-md
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Install Rust toolchain
+        uses: actions-rust-lang/setup-rust-toolchain@v1
+        with:
+          target: ${{ matrix.target }}
+
+      - name: Build release binary
+        run: cargo build --release --target ${{ matrix.target }}
+        env:
+          SQLX_OFFLINE: true
+
+      - name: Rename binary (Unix)
+        if: runner.os != 'Windows'
+        run: mv target/${{ matrix.target }}/release/pixivdwn target/${{ matrix.target }}/release/pixivdwn-${{ matrix.target }}
+
+      - name: Rename binary (Windows)
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: mv "target/${{ matrix.target }}/release/pixivdwn.exe" "target/${{ matrix.target }}/release/pixivdwn-${{ matrix.target }}.exe"
+
+      - name: Upload binary artifact
+        uses: actions/upload-artifact@v7
+        with:
+          name: pixivdwn-${{ matrix.target }}
+          path: target/${{ matrix.target }}/release/pixivdwn-${{ matrix.target }}${{ matrix.binary_suffix }}
+          archive: false
+
+      - name: Upload to GitHub Release
+        if: startsWith(github.ref, 'refs/tags/v')
+        uses: softprops/action-gh-release@c062e08bd532815e2082a85e87e3ef29c3e6d191
+        with:
+          files: target/${{ matrix.target }}/release/pixivdwn-${{ matrix.target }}${{ matrix.binary_suffix }}