fix: made design regularity in online forums (#364)

Author: subhamkumarr

docs/chapter8/1onlineforums.md

@@ -2,5 +2,5 @@
 
 *   CircuitVerse Forum: [https://circuitverse.org/forum](https://circuitverse.org/forum)
 *   CircuitVerse on GitHub: [https://github.com/CircuitVerse](https://github.com/CircuitVerse) 
-*   CircuitVerse on Slack:<span style="text-decoration:underline;"> [https://circuitverse-team.slack.com](https://circuitverse-team.slack.com) </span>
+*   CircuitVerse on Slack: [https://circuitverse-team.slack.com](https://circuitverse-team.slack.com) </span>
 *   CircuitVerse YouTube Channel: [https://www.youtube.com/channel/UCAK48dCPc_QON6Y5QqqRLOg](https://www.youtube.com/channel/UCAK48dCPc_QON6Y5QqqRLOg)