Link config management doc (#3723)

* Link config management doc

Fixes #2775.

* public doc

DEVELOPMENT.md

@@ -103,6 +103,8 @@ Once you've done this, merge or rebase your development branch with config chang
 
 * Finally, before committing your final changes and opening your pull request, be sure and run `make test` locally. This will regenerate the JSON schemas for the skaffold config with your new changes. Commit the resulting changes autogenerated by the scripts.
 
+For more details behind the logic of config changes see [the Skaffold config management doc](https://docs.google.com/document/d/e/2PACX-1vRIjLuHL2uZ1OXcV9ZXbOQ7ijmqmeCeOZroCGBGTgstuNaZqoKXwg0KLGt_M-PHBwoVpnsKUhHxJ3Jc/pub).
+
 ## Building skaffold
 
 To build with your local changes you have two options: