Add .github directory

.github/CODEOWNERS

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+# People marked here will be automatically requested for a review.
+#
+# For more information on CODEOWNERS, see:
+# https://help.github.com/en/articles/about-code-owners
+
+* @arkid15r

.github/workflows/ci-cd.yaml

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+name: CI/CD
+
+on:
+  merge_group:
+  pull_request:
+  push:
+  workflow_dispatch:
+
+concurrency:
+  cancel-in-progress: true
+  group: ${{ github.repository }}-${{ github.workflow }}-${{ github.head_ref || github.ref_name }}
+
+jobs:
+  pre-commit:
+    name: Run pre-commit
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+      - name: Run pre-commit
+        uses: pre-commit/[email protected]
+
+  code-ql:
+    name: CodeQL
+    needs:
+      - pre-commit
+    permissions:
+      security-events: write
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@v3
+        with:
+          languages: python
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@v3
+        with:
+          category: '/language:python'