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.

backend/app/models/auth.py

@@ -0,0 +1,45 @@
+from __future__ import annotations
+
+from pydantic import BaseModel, ConfigDict
+
+from backend.app.models.base import to_camel
+
+
+class LoginRequest(BaseModel):
+    username: str
+    password: str
+
+
+class RegisterRequest(BaseModel):
+    username: str
+    password: str
+    full_name: str | None = None
+
+
+class TokenResponse(BaseModel):
+    access_token: str
+    token_type: str = "bearer"
+
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
+
+
+class TokenPayload(BaseModel):
+    sub: str
+    exp: int
+
+
+class UserPublic(BaseModel):
+    username: str
+    full_name: str | None = None
+
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)
+
+
+class UserInDB(UserPublic):
+    hashed_password: str
+
+
+class AuthResponse(TokenResponse):
+    user: UserPublic
+
+    model_config = ConfigDict(alias_generator=to_camel, populate_by_name=True)