feat: Initialize frontend and backend structure with essential configurations

- Added TypeScript build info for frontend.
- Created Vite configuration for React application.
- Implemented pre-commit hook to run checks before commits.
- Set up PostgreSQL Dockerfile with PostGIS support and initialization scripts.
- Added database creation script for PostgreSQL with necessary extensions.
- Established Python project configuration with dependencies and development tools.
- Developed pre-commit script to enforce code quality checks for backend and frontend.
- Created PowerShell script to set up Git hooks path.

.github/workflows/backend-ci.yml

@@ -0,0 +1,47 @@
+name: Backend CI
+
+on:
+    push:
+        paths:
+            - "backend/**"
+            - "scripts/**"
+            - "pyproject.toml"
+            - "TODO.md"
+            - ".github/workflows/backend-ci.yml"
+    pull_request:
+        paths:
+            - "backend/**"
+            - "scripts/**"
+            - "pyproject.toml"
+            - "TODO.md"
+
+jobs:
+    lint-and-test:
+        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: "3.10"
+
+            - name: Install dependencies
+              run: |
+                  python -m pip install --upgrade pip
+                  python -m venv .venv
+                  source .venv/bin/activate
+                  pip install -e .[dev]
+
+            - name: Run formatters (check mode)
+              run: |
+                  source .venv/bin/activate
+                  python -m black --check backend
+                  python -m isort --check-only backend
+
+            - name: Run backend tests
+              run: |
+                  source .venv/bin/activate
+                  pytest