Github Actions Add CodeQL Analysis (#1442)

Motivation:
Add CodeQL to CI workflow to get additional static code analysis.

Modifications:
- Add codeql-analysis github actions work flow which runs on PRs and
  pushes to the main branch

Result:
More static code analysis.

.github/workflows/codeql-analysis.yml

@@ -0,0 +1,29 @@
+name: CodeQL
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    # The branches below must be a subset of the branches above
+    branches: [ main ]
+  schedule:
+    - cron: '0 13 * * 1'
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ 'java' ]
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v2
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v1
+        with:
+          languages: ${{ matrix.language }}
+      - name: Execute gradle build
+        run: ./gradlew --parallel --max-workers=4 clean assemble
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v1