Add deploy to releases on version tag push (#74)

LEEEEEEEEROY

.github/workflows/deploy.yml

@@ -0,0 +1,59 @@
+name: Deploy
+
+on:
+  push:
+    tags:
+      - "[0-9]+.[0-9]+.[0-9]+"
+
+permissions:
+  contents: write
+
+jobs:
+  build-and-upload:
+    name: Build and upload
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          - build: linux
+            os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+          - build: linux
+            os: ubuntu-latest
+            target: x86_64-unknown-linux-musl
+          - build: macos
+            os: macos-latest
+            target: x86_64-apple-darwin
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Get the release version from the tag
+        shell: bash
+        run: echo "VERSION=${GITHUB_REF#refs/tags/}" >> $GITHUB_ENV
+      - name: Install Rust
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          targets: ${{ matrix.target }}
+      - name: Sanity tests
+        run: cargo test --target ${{ matrix.target }}
+      - name: Build
+        run: cargo build --release --target ${{ matrix.target }}
+      - name: Create archive
+        shell: bash
+        run: |
+          binary_name="pandoras_pot"
+          dirname="$binary_name-${{ env.VERSION }}-${{ matrix.target }}"
+          mkdir "$dirname"
+          mv "target/${{ matrix.target }}/release/$binary_name" "$dirname"
+          result="$dirname.tar.gz"
+          tar -czf "$result" "$dirname"
+          shasum -a 256 "$result" > "$result.sha256"
+          echo "RESULT=$result" >> $GITHUB_ENV
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        if: startsWith(github.ref, 'refs/tags/')
+        with:
+          generate_release_notes: true
+          files: |
+            ${{ env.RESULT }}
+            ${{ env.RESULT }}.sha256