feat(connect-explorer-nextra): add method forms from older explorer #770

Job	Run time
extract-branch	2s
build-deploy / build-deploy-connect	3m 33s
methods / webextension	17m 45s
methods / web	13m 54s
passphrase / webextension	8m 31s
browser-support / web	3m 24s
passphrase / web	4m 13s
browser-support / webextension	0s
popup-close / web	5m 39s
popup-close / webextension	10m 11s
permissions / web	2m 57s
popup-pages / web	3m 7s
permissions / webextension	0s
popup-pages / webextension	0s
transport / web	3m 0s
transport / webextension	0s
unchained / web	4m 51s
unchained / webextension	0s
	1h 21m 7s

Provide feedback