pidgin/nest

Add a blog post describing the devscripts we use for Pidgin 3 development.

Testing Done:
Ran locally

Reviewed at https://reviews.imfreedom.org/r/748/
REVIEWBOARD_URL = "https://reviews.imfreedom.org/"
REPOSITORY = "pidgin/nest"
REPOSITORY_TYPE = "mercurial"
BRANCH = "default"
LAND_DEST_BRANCH = "default"
LAND_PUSH = False