Simple ajax example for Flask

Steps

1. Edit a test.html. ```html

test

2. Edit the server file.
```python
@bp.route('/parking')
def parking():
    #ajax test
    db = get_db()
    data = db.execute(
        'SELECT event_time,plate_number,occupancy_status,parking_space_no,device_ip_address'
        ' FROM parking'
        ' ORDER BY event_time DESC'
    ).fetchall()
    result="Hey, I saw that! You clicked at".format(datetime.datetime.now())
    count=28
    print (data)
    return jsonify(result=count)