Add Github Action for release management

.github/workflows/release.yml

@@ -0,0 +1,28 @@
+name: Release plugin
+
+on:
+  push:
+    tags:
+      - "v*.*.*-*"
+
+jobs:
+  package_and_release:
+    name: Package and release
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Package
+        uses: actions/checkout@v3
+      - run: mkdir -p /tmp/files
+      # Creates a tar.gz file in /tmp/files that is named the same as the repository name and excludes the .git directory
+      - run: cd .. && tar cfz /tmp/files/$(echo "${{ github.repository }}" | awk -F'/' '{print $2}')-${GITHUB_REF#refs/*/}.tar.gz --exclude=.git $(echo "${{ github.repository }}" | awk -F'/' '{print $2}')
+      # Creates a checksum file that only includes the checksum string
+      - run: md5sum /tmp/files/$(echo "${{ github.repository }}" | awk -F'/' '{print $2}')-${GITHUB_REF#refs/*/}.tar.gz | awk '{print $1}' > /tmp/files/checksum.txt
+
+      - name: Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: |
+            /tmp/files/*
+    permissions:
+      contents: write