Merge pull request #68 from rugk/patch-2

Run shellcheck for shell scripts

.github/workflows/shellcheck.yml

@@ -0,0 +1,20 @@
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches: main
+
+name: "Shellcheck"
+permissions: {}
+
+jobs:
+  shellcheck:
+    name: Shellcheck
+    runs-on: ubuntu-latest
+    
+    steps:
+      - uses: actions/checkout@v4
+      
+      - name: Run ShellCheck
+        uses: ludeeus/action-shellcheck@master