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>

config/integration/apps.yml

@@ -8,3 +8,8 @@ webhooks:
   logo: cable.svg
   i18n_key: webhooks
   action: /webhook
+dialogflow:
+  id: dialogflow
+  logo: dialogflow.svg
+  i18n_key: dialogflow
+  action: /dialogflow

config/locales/en.yml

@@ -93,3 +93,6 @@ en:
     webhooks:
       name: "Webhooks"
       description: "Webhook events provide you the realtime information about what's happening in your account. You can make use of the webhooks to communicate the events to your favourite apps like Slack or Github. Click on Configure to set up your webhooks."
+    dialogflow:
+      name: "Dialogflow"
+      description: "Connect your Dialogflow bot to your inbox. Let the bots handle the queries before handing it off to the customer service agent."