add lint

.github/workflows/lint.yaml

@@ -0,0 +1,32 @@
+name: Lint
+
+on:  # yamllint disable-line rule:truthy
+  push: null
+  pull_request: null
+
+permissions: { }
+
+jobs:
+  build:
+    name: Lint
+    runs-on: ubuntu-latest
+
+    permissions:
+      contents: read
+      packages: read
+      # To report GitHub Actions status checks
+      statuses: write
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          # super-linter needs the full git history to get the
+          # list of files that changed across commits
+          fetch-depth: 0
+
+      - name: Super-linter
+        uses: super-linter/[email protected]  # x-release-please-version
+        env:
+          # To report GitHub Actions status checks
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

README.md

@@ -1,3 +1,4 @@
+[![Super-Linter](https://github.com/<OWNER>/<REPOSITORY>/actions/workflows/lint.yaml/badge.svg)](https://github.com/marketplace/actions/super-linter)
 # Intro
 This is a **Java-Swing** based Dropping Bricks Problem game.
 - You can read a **manual** below to understand the playing flow