feat: add initial implementation of Bank Account Management System

- Added main entry point for the application.
- Implemented migration script for legacy data.
- Created basic UI structure for bank application.
- Introduced image assets for UI components.
- Added unit tests for security, services, and validation modules.
- Updated dependencies and configuration for testing.

Author: SagarBiswas-MultiHAT

.github/workflows/python-ci.yml

@@ -0,0 +1,23 @@
+name: Python CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    env:
+      PYTHONPATH: ${{ github.workspace }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements-dev.txt
+      - name: Run tests
+        run: pytest -q

.gitignore

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+# Python
+__pycache__/
+*.py[cod]
+*.pyo
+*.pyd
+*.egg-info/
+.pytest_cache/
+
+# Virtual environments
+.venv/
+venv/
+
+# Local data
+/data/
+*.db
+*.sqlite
+*.sqlite3
+
+# Environment files
+.env
+.env.*
+
+# IDE
+.vscode/
+.idea/