feat: Update YouTube link to use channel handle instead of channel id.

Author: hanzalahwaheed

docs/chapter8/1onlineforums.mdx

@@ -9,4 +9,4 @@ description: "Onlineforums page in Chapter8 of CircuitVerse documentation."
 - CircuitVerse Forum: [https://circuitverse.org/forum](https://circuitverse.org/forum)
 - CircuitVerse on GitHub: [https://github.com/CircuitVerse](https://github.com/CircuitVerse)
 - CircuitVerse on Slack: [https://circuitverse-team.slack.com](https://circuitverse-team.slack.com)
-- CircuitVerse YouTube Channel: [https://www.youtube.com/channel/UCAK48dCPc_QON6Y5QqqRLOg](https://www.youtube.com/channel/UCAK48dCPc_QON6Y5QqqRLOg)
+- CircuitVerse YouTube Channel: [https://www.youtube.com/@circuitverse-official](https://www.youtube.com/@circuitverse-official)

docs/chapter9/1onlineforums.md

@@ -3,4 +3,4 @@
 *   CircuitVerse Forum: [https://circuitverse.org/forum](https://circuitverse.org/forum)
 *   CircuitVerse on GitHub: [https://github.com/CircuitVerse](https://github.com/CircuitVerse) 
 *   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) 
+*   CircuitVerse YouTube Channel: [https://www.youtube.com/@circuitverse-official](https://www.youtube.com/@circuitverse-official)

docusaurus.config.js

@@ -95,7 +95,7 @@ const config = {
 						{ label: 'GitHub', href: 'https://github.com/CircuitVerse' },
 						{
 							label: 'YouTube',
-							href: 'https://www.youtube.com/channel/UCAK48dCPc_QON6Y5QqqRLOg',
+							href: 'https://www.youtube.com/@circuitverse-official',
 						},
 					],
 				},