feat: Update rack attack IP limit (#7866)

Co-authored-by: Pranav Raj S <pranav@chatwoot.com>

.env.example

@@ -199,6 +199,8 @@ ANDROID_SHA256_CERT_FINGERPRINT=AC:73:8E:DE:EB:56:EA:CC:10:87:02:A7:65:37:7B:38:
 ## Rack Attack configuration
 ## To prevent and throttle abusive requests
 # ENABLE_RACK_ATTACK=true
+# RACK_ATTACK_IP_LIMIT=3000
+# ENABLE_RACK_ATTACK_WIDGET_API=true
 
 ## Running chatwoot as an API only server
 ## setting this value to true will disable the frontend dashboard endpoints