Gesture handler to block community/user/instance

**Is your feature request related to a problem? Please describe.** It's a bit annoying to aim and hold a community's name or a username to block it, swiping a post or a comment could be a great way to block things instantly **Describe the solution you'd like** Add various handlers to block content to the Gestures menu **Describe alternatives you've considered** Existing block routes are at least two actions, this would be one effective action **Additional context** -