(feat): Basic user auth

models/__init__.py

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+from flask_sqlalchemy import SQLAlchemy
+from flask_bcrypt import Bcrypt
+
+db = SQLAlchemy()
+bcrypt = Bcrypt()

models/user.py

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+from models import db, bcrypt
+
+class User(db.Model):
+    __tablename__ = 'users'
+
+    id = db.Column(db.Integer, primary_key=True)
+    username = db.Column(db.String(80), unique=True, nullable=False)
+    password_hash = db.Column(db.String(128), nullable=False)
+
+    @staticmethod
+    def create_user(username, password):
+        """Create a new user with a hashed password"""
+        password_hash = bcrypt.generate_password_hash(password).decode('utf-8')
+        new_user = User(username=username, password_hash=password_hash)
+        db.session.add(new_user)
+        db.session.commit()
+        return new_user
+    
+    @staticmethod
+    def verify_user(username, password):
+        """Verify user creds"""
+        user = User.query.filter_by(username=username).first()
+        if user and bcrypt.check_password_hash(user.password_hash, password):
+            return user
+        return None