Update social media links and resource descriptions in connect.js and index.mdx

Signed-off-by: Lee Calcote <lee.calcote@layer5.io>

Author: leecalcote

src/collections/news/2021/2021-10-13-cncf-adopts-service-mesh-performance-standard/index.mdx

@@ -55,9 +55,7 @@ Performance tests are run by Meshery, the open source, multi-mesh manager. Meshe
 <h3>Service Mesh Performance Resources</h3>
 <ul>
     <li><a href="https://smp-spec.io/subscribe">Community Newsletter</a></li>
-    <li><a href="https://discuss.layer5.io">Service Mesh Discussion Forum</a></li>
-    <li><a href="https://twitter.com/smp_spec">Service Mesh Performance Twitter</a></li>
-    <li><a href="https://www.linkedin.com/showcase/service-mesh-performance">Service Mesh Performance LinkedIn</a></li>
+    <li><a href="https://discuss.layer5.io">Discussion Forum</a></li>
     <li><a href="https://www.youtube.com/watch?v=_yrncjtPpg4&list=PL3A-A6hPO2INwi8A3NNClvdCxDoHa9NOU">Service Mesh Performance YouTube</a></li>
     <li><a href="https://smp-spec.io">Service Mesh Performance Website</a></li>
 </ul>

src/sections/Community/Handbook/connect.js

@@ -243,10 +243,10 @@ const Connect = () => {
               <p className="channels-para">
                 <TwitterIcon className="twitter" />
                 &nbsp;&nbsp;
-                <a href="https://twitter.com/layer5">@layer5</a>,&nbsp;
-                <a href="https://twitter.com/mesheryio">@mesheryio</a>
+                <a href="https://x.com/layer5">@layer5</a>,&nbsp;
+                <a href="https://x.com/mesheryio">@mesheryio</a>
                 &nbsp;and&nbsp;
-                <a href="https://twitter.com/smp_spec">@smp_spec</a>
+                <a href="https://x.com/kanvas-new">@kanvas-new</a>
               </p>
               <p className="channels-para">
                 <img className="channels-img" src={mail_icon} alt="mail" />
@@ -263,8 +263,12 @@ const Connect = () => {
                   alt="youtube"
                 />
                 &nbsp;&nbsp;
-                <a href="https://www.youtube.com/c/Layer5io?sub_confirmation=1">
-                  Subscribe on Youtube
+                <a href="https://www.youtube.com/Layer5io?sub_confirmation=1">
+                  Subscribe to Layer5 Youtube
+                </a>,
+                &nbsp;
+                <a href="https://www.youtube.com/@mesheryio?sub_confirmation=1">
+                  Subscribe to Meshery Youtube
                 </a>
               </p>
               <p className="channels-para">