Create build.yml

.github/workflows/build.yml

@@ -0,0 +1,21 @@
+name: Build
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+    branches:
+      - "main"
+  workflow_dispatch:
+
+jobs:
+  build:
+    name: Build Job
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.3'