Typedoc support

[ParkourKarthik]

This PR enables CI to generate documentation with the help of typedoc and publishes it to gh-pages.

Fixes #3

[ParkourKarthik]

@DrSensor Sorry, my commit messages are not as per contributor guidelines since I went through the guidelines later only. I hope you could squash it with proper message before merging

[codecov-io]

Codecov Report

Merging #5 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master       #5   +/-   ##
=======================================
  Coverage   81.42%   81.42%           
=======================================
  Files          13       13           
  Lines         140      140           
  Branches       34       38    +4     
=======================================
  Hits          114      114           
  Misses         26       26

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[DrSensor]

Took me a while to figure out why the git submodules cannot be fetched 😅

@ParkourKarthik Thank you for the contribution 👍
Ah yes, does Typedoc can also generate/embed the source code in the documentation?