feat: add remix guide and starter repo

[Ashutosh-Bhadauriya]

Adds remix guide along with starter

[Ashutosh-Bhadauriya]

@FlxMgdnz @lfleischmann could you please take a look when you get a chance 🙂 , it would be good to announce our remix guide asap. I think its good to merge, have tested everything btw and proofread too, but just in case

[Ashutosh-Bhadauriya]

Thanks @lfleischmann, have addressed the changes. Please let me know