Update Discord invitation

Author: panktishah-dhiwise

README.md

@@ -102,5 +102,5 @@ copies or substantial portions of the Software.
 
  <a href="https://twitter.com/dhiwise"><img src="https://user-images.githubusercontent.com/35039342/55471524-8e24cb00-5627-11e9-9389-58f3d4419153.png" width="60" alt="DhiWise Twitter"></a>
 <a href="https://www.youtube.com/c/DhiWise"><img src="https://cdn.vox-cdn.com/thumbor/0kpe316UpZWk53iw3bOLoJfF6hI=/0x0:1680x1050/1400x1400/filters:focal(706x391:974x659):format(gif)/cdn.vox-cdn.com/uploads/chorus_image/image/56414325/YTLogo_old_new_animation.0.gif" width="60" alt="DhiWise YouTube"></a>
-<a href="https://discord.com/invite/rFMnCG5MZ7"><img src="https://user-images.githubusercontent.com/47489894/183043664-b01aac56-0372-458a-bde9-3f2a6bded21b.png" width="60" alt="DhiWise Discord"></a>
+<a href="https://discord.gg/ghnmk7Mhbd"><img src="https://user-images.githubusercontent.com/47489894/183043664-b01aac56-0372-458a-bde9-3f2a6bded21b.png" width="60" alt="DhiWise Discord"></a>
 <a href="https://docs.dhiwise.com/"><img src="https://global-uploads.webflow.com/618e36726d3c0f19c9284e56/62383865d5477f2e4f6b6e2e_main-monogram-p-500.png" width="60" alt="DhiWise Documentation"></a>