build gem from github action

Author: y-bonfire

.github/workflows/build_gem.yml

@@ -0,0 +1,30 @@
+# .github/workflows/build_gem.yml
+name: Build Gem
+
+on:
+  push:
+    branches: [ main, develop ]
+  workflow_dispatch:
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.3' 
+
+      - name: Install bundler
+        run: gem install bundler
+
+      - name: Install dependencies
+        run: bundle install
+
+      - name: Build gem
+        run: gem build your_gem.gemspec
+
+      - name: Show built gem
+        run: ls -lh *.gem