Add workflow file

Author: matthewmcneely

.github/workflows/codeql.yml

@@ -0,0 +1,27 @@
+name: "CodeQL"
+on:
+  pull_request:
+    branches: [main]
+
+jobs:
+  analyze:
+    name: Analyze (CodeQL)
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+        with:
+          languages: go
+
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@v2
+
+      - name: Run CodeQL analysis
+        uses: github/codeql-action/analyze@v2