Add GitHub Action for check

Signed-off-by: moznion <moznion@mail.moznion.net>

Author: moznion

.github/workflows/check.yml

@@ -0,0 +1,14 @@
+name: check
+on: [push, pull_request]
+jobs:
+  check:
+    runs-on: ubuntu-slim
+    steps:
+    - uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6.0.1
+    - uses: ruby/setup-ruby@ac793fdd38cc468a4dd57246fa9d0e868aba9085 # v1.270.0
+      with:
+        ruby-version: '3.4'
+        bundler-cache: true
+    - name: lint by standard
+      run: bundle exec rake standard
+