fix: add text alternatives to social media icons

Author: EmmanuelDemey

src/app/common/social-wrapper/social-wrapper.component.html

@@ -1,11 +1,17 @@
 <div class="social-wrapper">
-  <a href="https://twitter.com/nestframework" target="_blank">
+  <a href="https://twitter.com/nestframework"
+     title="Twitter account"
+     target="_blank">
     <i class="fab fa-twitter"></i>
   </a>
-  <a href="https://github.com/nestjs/nest" target="_blank">
+  <a href="https://github.com/nestjs/nest"
+     title="Github repository"
+     target="_blank">
     <i class="fab fa-github"></i>
   </a>
-  <a href="https://stackoverflow.com/questions/tagged/nestjs" target="_blank">
+  <a href="https://stackoverflow.com/questions/tagged/nestjs"
+     title="Stackoverflow"
+     target="_blank">
     <i class="fab fa-stack-overflow"></i>
   </a>
   <a
@@ -15,7 +21,10 @@
   >
     <i class="fa fa-globe"></i>
   </a>
-  <a href="https://discord.gg/G7Qnnhy" target="_blank" rel="nofollow">
+  <a href="https://discord.gg/G7Qnnhy"
+     title="Discord"
+     target="_blank"
+     rel="nofollow">
     <i class="fab fa-discord"></i>
   </a>
 </div>