Add the ability to add searched for tokens to a list that persists, allowing a watchlist of custom tokens

[PeachfolioCryptoApe]

When searching for a token add the function to save the returned token to a list. The list should persist over application sessions. The user should be able to go and find the list in a set place.

The user will need to be able to delete any tokens added. Question: Locate within the peach pick list or a separate tab