chore: more quality checks for repository

.github/workflows/codeql.yml

@@ -0,0 +1,36 @@
+name: CodeQL
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+  schedule:
+    # Weekly on Monday
+    - cron: "0 8 * * 1"
+
+jobs:
+  analyze-python-code:
+    name: Analyze Python
+    runs-on: ubuntu-latest
+    permissions:
+      actions: read
+      contents: read
+      security-events: write
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@b1bff81932f5cdfc8695c7752dcee935dcd061c8 # v4.33.0
+        with:
+          languages: python
+          queries: security-and-quality
+
+      - name: Perform CodeQL analysis
+        uses: github/codeql-action/analyze@b1bff81932f5cdfc8695c7752dcee935dcd061c8 # v4.33.0
+        with:
+          category: python

.github/workflows/gitleaks.yml

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+name: Gitleaks
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  gitleaks:
+    name: Secret Scanning
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      pull-requests: read
+
+    steps:
+      - name: Check out code
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+        with:
+          fetch-depth: 0
+
+      - name: Run Gitleaks
+        run: |
+          curl -sSfL -o gitleaks.tar.gz https://github.com/gitleaks/gitleaks/releases/download/v8.26.0/gitleaks_8.26.0_linux_x64.tar.gz
+          echo "32faa8a77f6ce4b483921072ea89f78a794ad1d96471f2ad6e01ad3b0ebafa00  gitleaks.tar.gz" | sha256sum --check
+          tar -xzf gitleaks.tar.gz
+          ./gitleaks detect --source . --log-level info

.github/workflows/license-check.yml

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+name: License Check
+
+on:
+  pull_request:
+    branches:
+      - main
+
+permissions:
+  contents: read
+
+jobs:
+  license-check:
+    name: Dependency License Review
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out code
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Dependency review
+        uses: actions/dependency-review-action@2031cfc080254a8a887f58cffee85186f0e49e48 # v4.9.0
+        with:
+          fail-on-severity: low
+          allow-licenses: >-
+            Apache-2.0,
+            MIT,
+            BSD-2-Clause,
+            BSD-3-Clause,
+            ISC,
+            CC0-1.0,
+            Unlicense,
+            EPL-1.0,
+            EPL-2.0,
+            CDDL-1.0,
+            PSF-2.0