ci: build with GitHub Actions

.github/workflows/ci.yml

@@ -0,0 +1,29 @@
+name: CI
+on: [push, pull_request]
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+      - uses: Swatinem/rust-cache@v1
+      - name: Install build dependencies
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libnautilus-extension-dev libgtk-3-0
+      - name: Build release
+        run: make clean compile dist
+      - name: Create .deb
+        run: |
+          cargo install cargo-deb
+          cargo deb --no-build
+      - name: GitHub Release
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          files: |
+            tmsu-nautilus-*/libtmsu-nautilus.so
+            target/debian/tmsu-nautilus*.deb