Restructure omni services and add Chatwoot research snapshot

research/chatwoot/app/models/team_member.rb

@@ -0,0 +1,23 @@
+# == Schema Information
+#
+# Table name: team_members
+#
+#  id         :bigint           not null, primary key
+#  created_at :datetime         not null
+#  updated_at :datetime         not null
+#  team_id    :bigint           not null
+#  user_id    :bigint           not null
+#
+# Indexes
+#
+#  index_team_members_on_team_id              (team_id)
+#  index_team_members_on_team_id_and_user_id  (team_id,user_id) UNIQUE
+#  index_team_members_on_user_id              (user_id)
+#
+class TeamMember < ApplicationRecord
+  belongs_to :user
+  belongs_to :team
+  validates :user_id, uniqueness: { scope: :team_id }
+end
+
+TeamMember.include_mod_with('Audit::TeamMember')