Add CodeQL workflow for GitHub code scanning (#51)

Co-authored-by: LGTM Migrator <[email protected]>

Author: lgtm-com[bot]

.github/codeql.yml

@@ -0,0 +1,33 @@
+query-filters:
+  - exclude:
+      id: py/similar-function
+  - exclude:
+      id: py/empty-except
+  - exclude:
+      id: py/call-to-non-callable
+  - include:
+      id: py/undefined-placeholder-variable
+  - include:
+      id: py/uninitialized-local-variable
+  - include:
+      id: py/request-without-cert-validation
+  - include:
+      id: py/return-or-yield-outside-function
+  - include:
+      id: py/file-not-closed
+  - include:
+      id: py/exit-from-finally
+  - include:
+      id: py/ineffectual-statement
+  - include:
+      id: py/unused-global-variable
+  - include:
+      id: py/hardcoded-credentials
+  - include:
+      id: py/import-of-mutable-attribute
+  - include:
+      id: py/cyclic-import
+  - include:
+      id: py/unnecessary-lambda
+  - include:
+      id: py/print-during-import

.github/workflows/codeql.yml

@@ -0,0 +1,42 @@
+name: "CodeQL"
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+  schedule:
+    - cron: "26 5 * * 0"
+
+jobs:
+  analyze:
+    name: Analyze
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    strategy:
+      fail-fast: false
+      matrix:
+        language: [ python ]
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v2
+        with:
+          languages: ${{ matrix.language }}
+          config-file: ./.github/codeql.yml
+          queries: +security-and-quality
+
+      - name: Autobuild
+        uses: github/codeql-action/autobuild@v2
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v2
+        with:
+          category: "/language:${{ matrix.language }}"