feat: Add APIs for Dialogflow integration V1 (#2155)

Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>
Co-authored-by: Pranav Raj S <pranav@chatwoot.com>

app/models/conversation.rb

@@ -142,7 +142,7 @@ class Conversation < ApplicationRecord
   end
 
   def set_bot_conversation
-    self.status = :bot if inbox.agent_bot_inbox&.active?
+    self.status = :bot if inbox.agent_bot_inbox&.active? || inbox.hooks.pluck(:app_id).include?('dialogflow')
   end
 
   def notify_conversation_creation

app/models/integrations/app.rb

@@ -38,6 +38,8 @@ class Integrations::App
     case params[:id]
     when 'slack'
       ENV['SLACK_CLIENT_SECRET'].present?
+    when 'dialogflow'
+      false
     else
       true
     end

app/models/integrations/hook.rb

@@ -5,7 +5,7 @@
 #  id           :bigint           not null, primary key
 #  access_token :string
 #  hook_type    :integer          default("account")
-#  settings     :text
+#  settings     :jsonb
 #  status       :integer          default("disabled")
 #  created_at   :datetime         not null
 #  updated_at   :datetime         not null