Feat: Add test framework to web app

[brunomenezes]

Summary

Code changes to add Vitest to the web application. I also made changes to the rollups-wagmi generation and entry points declaration.

Changes:

• Added configuration for Vitest + initial test case for the Web application.
• Made rollups-wagmi an ESM library instead of focusing on CJS. CJS is still generated, though.
• Added some explicit TS types declaration to remove some squiggly lines that show up after upgrade, and I also silenced one line for the Ramda pick.

[vercel]

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Name	Status	Preview	Updated (UTC)
rollups-explorer-mainnet	✅ Ready (Inspect)	Visit Preview	Oct 4, 2023 8:38am
rollups-explorer-sepolia	✅ Ready (Inspect)	Visit Preview	Oct 4, 2023 8:38am
rollups-explorer-workshop	✅ Ready (Inspect)	Visit Preview	Oct 4, 2023 8:38am

[brunomenezes]

@tuler
Making rollups-wagmi an ESM module is better than what I did on your branch, which was adding iife format. CI + all the Vercel builds are completed without trouble. I am wondering if we should do the same with the UI package.

The problem I was encountering with the Uint8Array earlier is connected to the test-environment and which types + TextEncoder have been used, I found a Vitest issue here. From 0.34.3 that problem shows up and even in the latest version 0.34.6 it is not working out-of-the-box, so I set the version to 0.34.2 for now. The noble/hashes library that viem uses underneath is a cross-platform thing and not a nodeJS library, so it also adds its own share of problems to that situation. Here is an issue created by a jest contributor I think related to the same problems with TextEncoder + Uint8Array type.

[tuler]

@tuler Making rollups-wagmi an ESM module is better than what I did on your branch

Should I rebase my ERC-20 branch on top of this? It was ready for review.

[brunomenezes]

@tuler Making rollups-wagmi an ESM module is better than what I did on your branch

Should I rebase my ERC-20 branch on top of this? It was ready for review.

Yeah, if I can get your approval here to merge.