chore(ci): shellcheck job

Author: ARR4N

.github/workflows/shellcheck.yml

@@ -0,0 +1,19 @@
+name: Shellcheck
+
+on:
+  pull_request:
+    branches: [main]
+    paths:
+      - "**/*.sh"
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: ${{ github.ref != 'refs/heads/main' }}
+
+jobs:
+  shellcheck:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run ShellCheck
+        uses: ludeeus/action-shellcheck@master