Add ktlint workflow

.github/workflows/kotlin-lint.yml

@@ -0,0 +1,26 @@
+name: Lint Kotlin Files
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - uses: actions/setup-java@v2
+        with:
+          java-version: 21
+          distribution: adopt
+
+      - name: Run ktlint
+        run: |
+          curl -sSLO https://github.com/pinterest/ktlint/releases/download/0.43.2/ktlint && chmod a+x ktlint
+          ./ktlint