Cooler useProfiles with localstorage

[chdwlch]

This method uses Dexie, a wrapper for IndexedDB and SimplePool from nostr-tools

Pros vs nostr-react:

1. saves in localstorage, really fast loads on refresh etc.
2. SimplePool allows us to use specific relays for specific operations (i.e. might want a lot of relays for fetching profile metadatas)
3. better handling of the latest 'created_at' profiles than nostr-react (doesn't flicker profile name/image as much because now it doesn't use the latest profile metadata returned by really...)

I made a demo at http://localhost:3000/testProfiles if you want to try it

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