test another shellcheck

.github/workflows/shell-linter.yml

@@ -0,0 +1,18 @@
+name: Shell-Linter
+
+on:
+  workflow_dispatch:
+  push:
+  pull_request:
+
+jobs:
+  Shell-Linter:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+      - name: Run ShellCheck
+        uses: azohra/shell-linter@latest
+        with:
+          path: "*.ebuild"
+          exclude-paths: "opencv, pillow, numpy"