feat: update community and podcast cards to utilize dynamic descriptions and clean up unused text

Author: geromegrignon

src/app/components/cards/community-card.ts

@@ -20,9 +20,7 @@ import { Community } from '../../../models/community.model';
           </div>
         </div>
       </header>
-      <p class="text-sm">
-        Europe's premier Angular conference with world-class speakers
-      </p>
+      <p class="text-sm"></p>
       <ul class="flex flex-col gap-2 flex-1">
         @if (community().eventsUrl) {
           <li>

src/app/components/cards/podcast-card.ts

@@ -36,8 +36,7 @@ import { Podcast } from '../../../models/podcast.model';
       </div>
 
       <p class="text-sm leading-relaxed flex-1">
-        A weekly podcast dedicated to the Angular JavaScript framework and
-        related technologies.
+        {{ podcast().description }}
       </p>
 
       <a

src/models/podcast.model.ts

@@ -3,4 +3,5 @@ export type Podcast = {
   url: string;
   logo: string;
   language: string;
-}
+  description: string;
+};