v1.2.3+fork.84

filtering update pre-release! i've generalized and partly rewritten the filtering logic - it'd be amazing if people could try it and give me feedback about whether filters get applied (and not applied) correctly everywhere.

• you can now set a post's content type (enable in settings first)
• increased http read timeout
• minor layout and style adjustments
• single fab for tabs
• display reaction notifications
• and… more, i think