* init proposal subscribe be and fe
* add subscription email templates
* wire up subscription emails
* email subscribers on proposal milestone, update, cancel
* disallow subscriptions if email not verified
* update spelling, titles
* disallow proposal subscribe if user is team member
* hide subscribe if not signed in, is team member, canceled
* port follow from grant-base
* remove subscribed
* convert subscribed to follower
* backend - update tests
* frontend - fix typings
* finish follower port
* update comment
* fix email button display issues
* init liking backend
* init liking frontend
* fix lint
* add liking backend tests
* refactor like component
* todos: simple ones, removals & modifications to NOTE
* rem-todo: reduced markdown images are removed by sanitizer
* be todo: add user validation to create
* be todo: improve test_invide_api tests
* be todo: remove todo comment
* fe todo: set error messages on reducers
* fe todo: upgrade and enable react-helmet
* todos - remove uneeded
* fe todos: remove unecessary
* be: fix remaining staking contribution calculation
Danny Skubak
AMStrix
William O'Beirne
Daniel Ternyak