docs: replace telegram chat with discord server

Former-commit-id: 8e841a3

Author: cedoor

README.md

@@ -48,7 +48,7 @@
             🔎 Issues
         </a>
         <span>&nbsp;&nbsp;|&nbsp;&nbsp;</span>
-        <a href="https://t.me/joinchat/B-PQx1U3GtAh--Z4Fwo56A">
+        <a href="https://discord.gg/6mSdGHnstH">
             🗣️ Chat &amp; Support
         </a>
     </h4>

contracts/README.md

@@ -34,7 +34,7 @@
             🔎 Issues
         </a>
         <span>&nbsp;&nbsp;|&nbsp;&nbsp;</span>
-        <a href="https://t.me/joinchat/B-PQx1U3GtAh--Z4Fwo56A">
+        <a href="https://discord.gg/6mSdGHnstH">
             🗣️ Chat &amp; Support
         </a>
     </h4>