Add CodeQL workflow

Removed comments and added Java setup step for CodeQL analysis.

Author: jobs62

.github/workflows/codeql.yml

@@ -0,0 +1,50 @@
+name: "CodeQL Advanced"
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+  schedule:
+    - cron: '27 5 * * 2'
+
+jobs:
+  analyze:
+    name: Analyze (${{ matrix.language }})
+
+    runs-on: ${{ (matrix.language == 'swift' && 'macos-latest') || 'ubuntu-latest' }}
+    permissions:
+      security-events: write
+      packages: read
+      actions: read
+      contents: read
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+        - language: actions
+          build-mode: none
+        - language: java-kotlin
+          build-mode: none
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Setup Java
+      uses: actions/setup-java@v3
+      with:
+        distribution: 'temurin' 
+        java-version: '11'
+        cache: 'maven'
+
+    - name: Initialize CodeQL
+      uses: github/codeql-action/init@v4
+      with:
+        languages: ${{ matrix.language }}
+        build-mode: ${{ matrix.build-mode }}
+
+    - name: Perform CodeQL Analysis
+      uses: github/codeql-action/analyze@v4
+      with:
+        category: "/language:${{matrix.language}}"