Progress on little important things

removing .mov for now until we can figure out solution with videojs, added model to track username changes, got chat creation flow down, progress on bookmark collections, albums, filtering blocks/mutes from group, explore, collection timelines

app/models/account_username_change.rb

@@ -0,0 +1,18 @@
+# frozen_string_literal: true
+# == Schema Information
+#
+# Table name: account_username_changes
+#
+#  id            :bigint(8)        not null, primary key
+#  account_id    :bigint(8)        not null
+#  from_username :text             default(""), not null
+#  to_username   :text             default(""), not null
+#  created_at    :datetime         not null
+#  updated_at    :datetime         not null
+#
+
+class AccountUsernameChange < ApplicationRecord
+
+  belongs_to :account
+
+end