Course card
{
    img : String,
    title : String ,
    desc : String (short),
    numChapters : Number,
    level : String 
}

Single Course Data {
    title : String,
    desc : String,
    numChapters : Number,
    sections : [Section],
    approxTime : Number,
    skiilsyouwillgain : [String] //if possible
}

Section {
    course : String
    title : String,
    desc : String,
    lessons : [Lesson]
}

Lesson {
    topics : [{
        title : String,
        content : String,
        img : {
            default : null,
            path : String
        }
        surpriseLEmenet : String (table)
    }],
    quiz : [Quiz],
    comments : [{
        user : ObjectId ,
        comment : String
    }],
    course : String,
    lesson : String,
    html : String
}


Quiz collection {
    course : String,
    lesson : String
    level : String ,
    Questions : String,
    Options : [String]
    Answer : Number,
    isAttempted : boolean
}


user : {
    id : ObjectId,
    name : String,
    password : String,
    enrolledCourses : [{course : {
        Lesson : [{
            lessonId : ObjectId 
            lessonsAttwmpted : Number,
            lessonsCompleted : Number
        }],
        Quiz : [{
            lessonId : ObjectId 
            lessonsAttwmpted : Number,
            lessonsCompleted : Number
        }]
    } }],
    certificates : [String]   
}
user auth struct
{
    "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpZCI6IjY1ZTFmZTNlZmI5ZjM4MjI1MDkyZGNiOSIsImlhdCI6MTcwOTM3NjU4OCwiZXhwIjoxNzE3MTUyNTg4fQ.fjTxduIQKdn0Md_WlHOnoJOEe4o4seaqq6dWwjki2Qo",
    "data": {
        "_id": "65e1fe3efb9f38225092dcb9",
        "name": "demo",
        "email": "demo@gmail.com",
        "password": "$2b$12$STb42YT4p7rJl2xzuJJXBO6.43PwO/bs16QCBYF8wrv5CFpICPB8W",
        "enrolledCourses": [
            {
                "course": "Introduction to Stock Markets",
                "_id": "65e1fea8d6abf817f0cc7196",
                "lessonsCompleted":Number
            }
        ],
       "lessonsCompleted": [
            {
                "lessonName": "11. Corporate actions and impact on stock prices",
                "lessonId": "65e1fdb08e4c606494d13c80",
                "_id": "65e1fe5afb9f38225092dcc2"
            } 
        ],
        "__v": 0
    }
}

lesson quiz struct
{
    question: 'What is the term ', 
    questionNumber: 5, 
    options: Array(4), 
    answerId: 'B', 
    answerText: 'Asset allocation', …
}
options 0 : {id: 'A', text: 'Fixed income instruments'}

todo : 
1)Make quiz for every lesson
2) Lesson completed button disable 
3) Lesson access without course enrolled (done)
4) Password ermove