Add metamask support to cosmoskit

[Redm4x]

Add metamask support to cosmoskit using using this code

[schnetzlerjoe]

This is great. Let me know if you need any help!

[brewsterdrinkwater]

Mystic Labs repo: https://github.com/mystic-lab/cloudmos/tree/metamask

[baktun14]

#216

[Redm4x]

I tried rebasing & testing the changes from #216. I could connect my metamask wallet in console, but could not create a deployment. I raised an issue in cosmoskit with the problem I faced: cosmology-tech/cosmos-kit#470. Does it work on your side @schnetzlerjoe ?