Update README.md

Author: apgapg

README.md

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 # Json Table Widget [![GitHub stars](https://img.shields.io/github/stars/apgapg/json_table.svg?style=social)](https://github.com/apgapg/json_table) [![Twitter Follow](https://img.shields.io/twitter/url/https/@ayushpgupta.svg?style=social)](https://twitter.com/ayushpgupta) ![GitHub last commit](https://img.shields.io/github/last-commit/apgapg/json_table.svg) [![Website shields.io](https://img.shields.io/website-up-down-green-red/http/shields.io.svg)](https://play.google.com/store/apps/details?id=com.coddu.flutterprofile)[![Open Source Love](https://badges.frapsoft.com/os/v2/open-source.svg?v=103)](https://github.com/apgapg/json_table)
 
+Join us on Discord: https://discord.gg/7byeCn7MGF
+
 ## 💙 Proudly Sponsored by [FieldAssist](https://github.com/FieldAssist)
 
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