Designing data intensive application link not working

[Saurav Das]

https://github.com/shashank88/system_design/blob/master

its giving 404.

@shashank88 Could you please update the link

[Ananth Shenoy]

@shashank88 The pdf is available at another link. Can I update the same with a PR?

[Saurav Das]

@ananthshenoy you should submit the PR to @shashank88

[Nirmal Silwal]

Hi @ananthshenoy I have submitted the PR adding the proper link of the book "Designing data intensive Applications".

Please review #21 and do let me know.