Edit contacts routing

main.py

@app.route('/contact/view-all')
def contact_view_controller():
  #this is the controller to view all data in the model
	contact_list = Contact.query.all()

	if contact_list:
		contact_entries = [contact.dto() for contact in contact_list]
	else:
		contact_entries = None

	return render_template('contact.html',contact_entries = contact_entries, title = "Contact List")