feat: IP lookup (#1315)

- feature to store contact IP for accounts
- IP lookup through geocoder gem
- ability to do IP lookup through external APIs
- add commit hook to prevent push to develop and master
- migrations to fix default values for jsonb columns

.env.example

@@ -117,6 +117,17 @@ IOS_APP_ID=6C953F3RX2.com.chatwoot.app
 ## Bot Customizations
 USE_INBOX_AVATAR_FOR_BOT=true
 
+
+
+## IP look up configuration
+## ref https://github.com/alexreisner/geocoder/blob/master/README_API_GUIDE.md
+## works only on accounts with ip look up feature enabled
+# IP_LOOKUP_SERVICE=geoip2
+# maxmindb api key to use geoip2 service
+# IP_LOOKUP_API_KEY=
+
 ## Development Only Config
 # if you want to use letter_opener for local emails
 # LETTER_OPENER=true
+
+