chore(security): Setup CodeQL (#52)

.github/workflows/codeql.yml

@@ -0,0 +1,38 @@
+name: CodeQL
+
+on:
+  push:
+    branches: main
+  pull_request: 
+    branches: main
+  schedule:
+    - cron: 23 2 * * 0
+
+concurrency:
+  group: codeql-${{ github.ref_name }}
+  cancel-in-progress: true
+
+jobs:
+  analyze:
+    runs-on: ubuntu-latest
+    timeout-minutes: 360
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-java@v3
+        with:
+          distribution: oracle
+          java-version: 21
+          check-latest: true
+      - uses: gradle/gradle-build-action@v2
+      - uses: github/codeql-action/init@v2
+        with:
+          languages: java-kotlin
+      - run: ./gradlew build -x check
+      - uses: github/codeql-action/analyze@v2
+        with:
+          category: /language:java-kotlin

README.md

@@ -1,4 +1,5 @@
 [![CI](https://github.com/JoseLion/atomic-flyway/actions/workflows/ci.yml/badge.svg)](https://github.com/JoseLion/atomic-flyway/actions/workflows/ci.yml)
+[![CodeQL](https://github.com/JoseLion/atomic-flyway/actions/workflows/codeql.yml/badge.svg)](https://github.com/JoseLion/atomic-flyway/actions/workflows/codeql.yml)
 [![Release](https://github.com/JoseLion/atomic-flyway/actions/workflows/release.yml/badge.svg)](https://github.com/JoseLion/atomic-flyway/actions/workflows/release.yml)
 [![Pages](https://github.com/JoseLion/atomic-flyway/actions/workflows/pages.yml/badge.svg)](https://github.com/JoseLion/atomic-flyway/actions/workflows/pages.yml)
 [![Maven Central](https://img.shields.io/maven-central/v/io.github.joselion/atomic-flyway?logo=sonatype)](https://central.sonatype.com/artifact/io.github.joselion/atomic-flyway)