Add codeql workflow

.github/workflows/codeql.yml

@@ -0,0 +1,30 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches:
+      - [master]
+  pull_request:
+
+jobs:
+  analyse:
+    name: Analyse
+    strategy:
+      matrix:
+        language: [ 'rust' ]
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/ledgerhq/ledger-app-builder/ledger-app-builder-legacy:latest
+
+    steps:
+      - name: Clone
+        uses: actions/checkout@v3
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+        with:
+          languages: ${{ matrix.language }}
+          queries: security-and-quality
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v2