feat: add "account_by_key_api"

dist/dhive.d.ts

dist/dhive.js

dist/dhive.js.gz

dist/dhive.js.map

docs/assets/js/search.js

docs/classes/accountbykeyapi.html

docs/classes/broadcastapi.html

docs/classes/client.html

docs/globals.html

docs/index.html

docs/interfaces/accountsbykey.html

docs/interfaces/clientoptions.html

docs/interfaces/pendingrequest.html

docs/interfaces/rpccall.html

docs/interfaces/rpcerror.html

docs/interfaces/rpcrequest.html

docs/interfaces/rpcresponse.html

package.json

src/client.ts

src/crypto.ts