text: import json
  
  from flask import Blueprint, render_template, url_for, redirect, abort, flash
  from sqlalchemy.exc import IntegrityError
  
  from mcarch.app import db
  
  root = Blueprint('root', __name__, template_folder="templates")
  
  @root.route("/")
  def home():
      return render_template("home.html")
  
  @root.app_errorhandler(404)
  def err404(err):
      return render_template("error/404.html"), 404
  
  @root.app_errorhandler(403)
  def err403(err):
      return render_template("error/403.html"), 403
  
  