* wallets now consist of an index.js, a client.js and a server.js file
* client.js is imported on the client and contains the client portion
* server.js is imported on the server and contains the server porition
* both reexport index.js so everything in index.js can be shared by client and server
* every wallet contains a client.js file since they are all imported on the client to show the cards
* client.js of every wallet is reexported as an array in wallets/client.js
* server.js of every wallet is reexported as an array in wallets/server.js
FIXME: for some reason, worker does not properly import the default export of wallets/server.js
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