Add hints column in challenge model

hodor/models/challenges.py

+# -*- coding: utf-8 -*-
+
+from hodor import db
+from sqlalchemy import inspect
+
+
+class Challenges(db.Model):
+    __tablename__= 'challenges'
+
+    #Data variables for each Challenge
+    chall_id=db.Column(db.String(32), primary_key=True,unique=True,nullable=False)
+    name = db.Column(db.String(32), nullable=False)
+    points = db.Column(db.Integer, nullable=False)
+    description = db.Column(db.String(2048), nullable=False)
+    hints = db.Column(db.String(512), nullable=False)
+
+    @staticmethod
+    def save(self):
+        db.session.add(self)
+        db.session.commit()
+
+    def delete(self):
+        db.session.delete(self)
+        db.session.commit()
+
+    def get_all():
+        return Challenges.query.all()