fix: Update Slack channel invite link (#14)

Signed-off-by: Adarsh <Adarshbunny293@gmail.com>

index.html

@@ -232,7 +232,7 @@ <h3>Get into a community of Technical Writers where <br/> you get the right Reco
                 <a href="https://forms.gle/R7RbuL39sc1TFW449" class=" btn btn--stroke" style="background: #F89559; border: 0.2rem solid #ff904d; color: #00163D;">
                 Register Now!
                 </a>
-                <a href="https://keploy.slack.com/archives/C07UCTV381K" class="btn btn--stroke" style="background: #00163D; border: 0.2rem solid #00163D; color: #FFFFFF;">
+                <a href="https://join.slack.com/t/keploy/shared_invite/zt-2poflru6f-_VAuvQfCBT8fDWv1WwSbkw" class="btn btn--stroke" style="background: #00163D; border: 0.2rem solid #00163D; color: #FFFFFF;">
                 Join Community
                 </a>
               </div>
@@ -729,7 +729,7 @@ <h1 class="display-2 display-2--light" style="font-weight: 800;">Join Our Commun
               <h3 class="h6" style="font-size: 2rem; font-family: 'Inconsolata', monospace; text-transform: none;">Get Involved In The Community Today!</h3>
               <img src="./images/slack.png" alt="Slack Image"/>
               <!-- <img src="./images/slack2.png"/> -->
-              <button class="join-btn"><a href="https://keploy.slack.com/archives/C07UCTV381K">Join Slack</a></button>
+              <button class="join-btn"><a href="https://join.slack.com/t/keploy/shared_invite/zt-2poflru6f-_VAuvQfCBT8fDWv1WwSbkw">Join Slack</a></button>
             </div>
             <!-- end contact-primary -->
             <div class="contact-secondary">