v0.1.0-alpha22

Fixes + updates for Aztec CLI (#1014)

* WIP refactor CLI around wallet implementation

* Fix problems with Sandbox example

* updated CLI, working with new Wallet implementation + improved docs

* fix typo

* define privateKey as string in create-account

* bug fixes, deploy args as argument

* check if account already exists

* remove old import

* PR Fixes

* fix bug with account collection

* add env vars

* add public key env var