plural for workshops and change description

src/app/ui/landing-page/landing-page.js

@@ -200,7 +200,7 @@ export class LandingPage extends ViewPlugin {
             <div class="${css.enviroments} pt-2">
               <button class="btn btn-lg btn-secondary mr-3" onclick=${() => startSolidity()}>Solidity</button>
               <button class="btn btn-lg btn-secondary mr-3" onclick=${() => startVyper()}>Vyper</button>
-              <button class="btn btn-lg btn-secondary mr-3" onclick=${() => startWorkshop()}>Workshop</button>
+              <button class="btn btn-lg btn-secondary mr-3" onclick=${() => startWorkshop()}>Workshops</button>
             </div>
           </div>
           <div class="file">

src/remixAppManager.js

@@ -169,9 +169,9 @@ export class RemixAppManager extends PluginEngine {
       location: 'sidePanel'
     }
     const remixWorkshop = {
-      name: 'workshop',
-      displayName: 'Remix Workshop',
-      description: 'Learn Solidity with Remix !',
+      name: 'workshops',
+      displayName: 'Remix Workshops',
+      description: 'Learn Ethereum with Remix !',
       methods: [],
       events: [],
       version: '0.1.0-alpha',