quick updates

app/logic.py

@@ -257,6 +257,9 @@ def register():
                     flash('Account Registration Successful!', category='success')
                     response = make_response(redirect(url_for('logic.profile')))
                     response.headers['Content-Security-Policy'] = "default-src 'self'"
+                    response.headers['Strict-Transport-Security'] = 'max-age=31536000; includeSubDomains'
+                    response.headers['X-Content-Type-Options'] = 'nosniff'
+                    response.headers['X-Frame-Options'] = 'SAMEORIGIN'
                     return response
                 else:
                     flash('Registration Failed', category='error')