[+] Shellcheck github CI

.github/workflows/main.yml

@@ -0,0 +1,20 @@
+name: Shellcheck
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+  workflow_dispatch:
+
+jobs:
+  # Shellcheck
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: Run shellcheck
+        run: |
+          apt install -y shellcheck
+          shellcheck neofetch
+          ./neofetch