Implement user authentication and management system with FastAPI

- Added authentication routes for login, registration, password reset, and account deletion in `auth.py`.
- Implemented user profile management, including updating user information and changing passwords.
- Created dashboard views to display user-specific information and recent activity in `dashboard.py`.
- Developed leaderboard views to show team rankings and points in `leaderboard.py`.
- Added QR code generation and redemption functionality in `qr.py` and `redeem.py`.
- Implemented team management features, allowing users to create and join teams in `teams.py`.
- Introduced session debugging utility to assist with session-related issues in `debug_session.py`.
- Configured Docker Compose for MySQL database and FastAPI application with environment variables.
- Updated requirements.txt to include necessary dependencies for the application.

app/schemas.py

@@ -0,0 +1,82 @@
+#!/usr/bin/env python3
+from pydantic import BaseModel, EmailStr, Field, field_validator
+from typing import Optional, Dict, Any
+from datetime import datetime
+
+# User schemas
+class UserBase(BaseModel):
+    username: str
+    email: EmailStr
+
+class UserCreate(UserBase):
+    password: str
+    
+    # Validators could be added here, like:
+    @field_validator('password')
+    def password_must_be_strong(cls, v):
+        if len(v) < 8:
+            raise ValueError('Password must be at least 8 characters')
+        return v
+
+class UserLogin(BaseModel):
+    username_or_email: str
+    password: str
+    remember_me: bool = False
+
+class UserUpdate(BaseModel):
+    username: Optional[str] = None
+    email: Optional[EmailStr] = None
+
+class UserOut(BaseModel):
+    id: int
+    username: str
+    email: EmailStr
+    created_at: datetime
+    is_active: bool
+    is_verified: bool
+    last_login: Optional[datetime] = None
+
+    class Config:
+        from_attributes = True
+
+class Token(BaseModel):
+    access_token: str
+    token_type: str
+    user_id: int
+    username: str
+
+class TokenData(BaseModel):
+    username: Optional[str] = None
+
+class PasswordChange(BaseModel):
+    current_password: str
+    new_password: str
+    confirm_password: str
+
+class PasswordReset(BaseModel):
+    token: str
+    new_password: str
+    confirm_password: str
+
+# Team schemas
+class TeamCreate(BaseModel):
+    name: str
+
+class TeamOut(BaseModel):
+    id: int
+    name: str
+
+    class Config:
+        from_attributes = True
+        
+class TeamMembershipCreate(BaseModel):
+    user_id: int
+    team_id: int
+    is_admin: bool = False
+    
+    # Validator to handle form data conversion
+    @field_validator('is_admin')
+    def parse_boolean(cls, v):
+        if isinstance(v, str):
+            return v.lower() in ('true', 'yes', 'y', '1', 'on', 'checked')
+        return v