chore: add codeql action (#71)

Signed-off-by: Morgan Epp <60796713+epmog@users.noreply.github.com>

Author: epmog

.github/workflows/codeql.yml

@@ -0,0 +1,17 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ "mainline" ]
+  pull_request:
+    branches: [ "mainline" ]
+  schedule:
+    - cron: '0 8 * * MON'
+
+jobs:
+  Analysis:
+    name: Analysis
+    uses: ./.github/workflows/reusable_codeql.yml
+    permissions:
+      security-events: write
+