SIGN IN SIGN UP

Fix outdated link for how to edit plugin code (#18069)

* Fix readme link to plugin edit instructions

* Fix flutter tools link
M
Michael Thomsen committed
87351bd9583682146675e5c17eb6fee19bf42d85
Parent: 2ae4884
Committed by GitHub <noreply@github.com> on 6/13/2018, 8:40:55 PM