Add book categories

[dpnkrpl]

Add theses categories...

Soft computing
Compiler design
Image processing
Machine learning
Artificial intelligence
VLSI

C
C++
Python
Java
SQL
HTML
Javascript
Assembly
Shell

[issue-label-bot]

Issue-Label Bot is automatically applying the label feature_request to this issue, with a confidence of 0.99. Please mark this comment with 👍 or 👎 to give our bot feedback!

Links: app homepage, dashboard and code for this bot.