Add GitHub Actions yaml file (#201)

Upload artifacts this allows easy testing of macOS and Windows binaries
Update unrar-cffi for Python 3.9 wheels

.github/workflows/build.yaml

@@ -0,0 +1,53 @@
+name: Build
+
+on:
+  push:
+    tags:
+      - "[0-9]+.[0-9]+.[0-9]+*"
+  pull_request:
+
+jobs:
+  build:
+    permissions:
+      contents: write
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        python-version: [3.9]
+        os: [ubuntu-latest, macos-10.15, windows-latest]
+
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python3 -m pip install --upgrade pip setuptools_scm wheel
+          python3 -m pip install -r requirements.txt
+      - name: Install Windows dependencies
+        run: |
+          choco install -y zip
+        if: runner.os == 'Windows'
+      - name: build
+        run: |
+          make dist
+      # TODO: Add a step to comment on a pull request with links to the artifacts
+      - name: Archive production artifacts
+        uses: actions/upload-artifact@v2
+        if: "runner.os != 'linux'" # linux currently has a segfault when running on latest fedora
+        with:
+          name: "${{ format('ComicTagger-{0}', runner.os) }}"
+          path: dist/*.zip
+
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          prerelease: "${{ contains(github.ref, '-') }}" # alpha-releases should be 1.3.0-alpha.x full releases should be 1.3.0
+          draft: true
+          files: dist/*.zip

requirements.txt

@@ -6,4 +6,4 @@ PyPDF2==1.24
 pillow>=4.3.0
 PyQt5>=5.12.2
 pyinstaller==4.3
-unrar-cffi==0.1.0a5
+unrar-cffi==0.2.2