Feature: Slack integration (#783)

- Integrations architecture
- Slack integration

config/initializers/00_init.rb

@@ -0,0 +1 @@
+APPS_CONFIG = YAML.load_file(File.join(Rails.root, 'config/integration', 'apps.yml'))

config/integration/apps.yml

@@ -0,0 +1,6 @@
+slack:
+  id: cw_slack
+  name: Slack
+  logo: https://a.slack-edge.com/80588/marketing/img/media-kit/img-logos@2x.png
+  description: "'Be less busy' -  Slack is the chat tool that brings all your communication together in one place. By integrating Slack with SupportBee, you can get notified in your Slack channels for important events in your support desk"
+  button: <a href="https://slack.com/oauth/v2/authorize?scope=incoming-webhook,commands,chat:write&client_id=706921004289.1094198503990"><img alt=""Add to Slack"" height="40" width="139" src="https://platform.slack-edge.com/img/add_to_slack.png" srcset="https://platform.slack-edge.com/img/add_to_slack.png 1x, https://platform.slack-edge.com/img/add_to_slack@2x.png 2x" /></a>

config/routes.rb

@@ -87,18 +87,26 @@ Rails.application.routes.draw do
           end
           resource :notification_settings, only: [:show, :update]
 
-          resources :webhooks, except: [:show]
+        resources :webhooks, except: [:show]
+        namespace :integrations do
+          resources :apps, only: [:index, :show]
+          resources :slack, only: [:create, :update, :destroy]
+        end
         end
       end
-
       # end of account scoped api routes
       # ----------------------------------
 
+      namespace :integrations do
+        resources :webhooks, only: [:create]
+      end
+
       resource :profile, only: [:show, :update]
       resource :notification_subscriptions, only: [:create]
 
       resources :agent_bots, only: [:index]
 
+      
       namespace :widget do
         resources :events, only: [:create]
         resources :messages, only: [:index, :create, :update]

config/sidekiq.yml

@@ -13,6 +13,7 @@
 :queues:
   - [low, 1]
   - [webhooks, 1]
+  - [integrations, 2]
   - [bots, 1]
   - [active_storage_analysis, 1]
   - [action_mailbox_incineration, 1]