docs: add proxy editing design
tests: add proxy editing test
project: add proxy editing
project: some fixes
project: add pause proxy creation
docs: add progress API in proxy editing design
docs: add uri API in proxy editing design
project: add API for get proxy state
project: fix pause proxy creation
docs: small fix in proxy edition design
project: add API for setting user location in proxy editing
docs: added allow-none annotation
project: create proxies one by one