added client RA bill wise download report

app/models/user_model.py

@@ -0,0 +1,16 @@
+from app.services.db_service import db
+from werkzeug.security import generate_password_hash, check_password_hash
+
+class User(db.Model):
+    __tablename__ = "users"
+
+    id = db.Column(db.Integer, primary_key=True)
+    name = db.Column(db.String(120), nullable=False)
+    email = db.Column(db.String(120), unique=True, nullable=False)
+    password_hash = db.Column(db.String(255), nullable=False)
+
+    def set_password(self, password):
+        self.password_hash = generate_password_hash(password)
+
+    def check_password(self, password):
+        return check_password_hash(self.password_hash, password)