feat: add courses endpoint and new data scrapping

[angga1518]

• create endpoint needed for ulas kelas (description, prerequisite, course_code, and curriculum)
• Scrape new data needed for ulas kelas

It looks likely I accidentally reformat the scapper/main.py file. So kindly check the differences from this link https://www.diffchecker.com/5VXgAaky

for new scrape flow, kindly check the image below

Response preview

{
  "courses": [
    {
      "code": "CSGE602012", 
      "credit": 3, 
      "curriculum": "06.00.12.01-2016", 
      "description": "", 
      "name": "Aljabar Linier", 
      "prerequisite": "", 
      "term": 3
    }, 
   {...}
   ]
}

thank you

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[fahdikrie]

Hello, Kak Angga!

Sorry for the late review. I just tried the newly added /courses endpoint, and it works & integrates just fine with the existing database.

Oh, a bit of a nitpick but I notice that there are inconsistencies on the description & prerequisite field whereas it could either be blank or null for the 'empty' values. Not sure how thats gonna affect anything though, but consider this as a mere heads up to UlasKelas team 😂

Regarding the best practices, I don't have much experience on the backend so i'm gonna pass the review to Kak Dipta (cc: @hsjsjsj009).

Cheers!