Fix the broken URL

[Mayank-567]

Summary:-
In the README.md file the header (Water.css) is not properly linkified to https://watercss.kognise.dev/

Current Behaviour
On click of link, Water.css redirects to https://github.com/kognise/water.css#watercss page.

Expected Behaviour
On click of link, Water.css redirects to https://watercss.kognise.dev/

[jenster5]

can fix this

[Divyapratap-369]

i would like to work on this can u please assign it to me

[jenster5]

I have fixed this and sent a pull request