add discord detail

Author: amitguptagwl

.github/workflows/greetings.yml

@@ -9,4 +9,4 @@ jobs:
     - uses: actions/first-interaction@v1
       with:
         repo-token: ${{ secrets.GITHUB_TOKEN }}
-        issue-message: 'We''re glad you find this project helpful. We''ll try to address this issue ASAP. You can vist https://solothought.com to know recent features. Don''t forget to star this repo.'
+        issue-message: 'We''re glad you find this project helpful. We''ll try to address this issue ASAP. You can join Discord channel(https://discord.gg/M4NjnSdyg) for anonucements and pre release discussions. Don''t forget to star this repo.'