Add module tag to lms project

[mralikeshtkar]

Added module tag and fixed some bugs.

[cyaxaress]

Hello dear Ali,
I would like to appreciate your effort you did a great work by adding Tag component to this system.
But for merging your pull request you need some refactoring in your code. I'll add comments to your repo and tell you what you should do if you want to merge your code.
please check comments on your repository