Added ML Algorithms - Linear Regression

[Siddhant-K-code]

Description

Added Linear Regression, Machine Learning Algorithm Fixes a part of #3

Type of change

• [x] Added Algorithm
• [x] Folder Structure

Added to SUMMARY.md (delete section if not needed)?

Have you added the page to SUMMARY.md if this is a new page and not a fix?

• [x] Yes

[sadn1ck]

@allcontributors add @Siddhant-K-code for contributing to documentation

[allcontributors[bot]]

@sadn1ck

I've put up a pull request to add @Siddhant-K-code! :tada:

[Siddhant-K-code]

In This: Regression is referring to a weird link, pls check the final build.

[sadn1ck]

Ah thanks, probably messed up the relative links. I'll have a look.