Create shellcheck.yml

.github/workflows/shellcheck.yml

@@ -0,0 +1,21 @@
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+  pull_request:
+
+permissions: {}
+
+jobs:
+  shellcheck:
+    runs-on: ubuntu-latest
+    steps:
+    - name : Checkout
+      uses: actions/checkout@v3
+
+    - name: Run ShellCheck
+      id: check
+      uses: ludeeus/action-shellcheck@master
+      with:
+       scandir: './scripts'