Update the CONTRIBUTING.md

[RANJEETJ06]

the files are outdated and will be difficult to understand code base

[riderx]

Sorry i'm not sure what you mean ?

[RANJEETJ06]

as some one new come to your code base at first he/she need to understand the code base

which file should i follow ?

[riderx]

Mmm okay i think the capacitor doc on how plugin work would help :
https://capacitorjs.com/docs/plugins/creating-plugins

[RANJEETJ06]

got it