Arweave POC for fleek plugins

steps to configure environment:

1. npm install from root
2. npx arlocal (get local node from arweave running)
3. npm run

will spin up a new server to run at localhost:3003/

now to the fun part and get this working:

a) you need to set up an address first => POST 127.0.0.1:3003/address

a1) optional: check your address GET 127.0.0.1:3003/whoami

b) post a transaction POST 127.0.0.1:3003/transaction

c) fetch all transactions on the network GET 127.0.0.1:3003/transactions