Feature: add game cover upload with compact thumbnails

index.html

@@ -167,6 +167,10 @@
             Éditeur
             <input id="publisherInput" placeholder="Square Enix" />
           </label>
+          <label>
+            Pochette (image)
+            <input id="coverFileInput" type="file" accept="image/*" />
+          </label>
           <label>
             Année
             <input id="yearInput" type="number" min="1970" max="2100" placeholder="2001" />
@@ -194,6 +198,7 @@
           <button id="gameSubmitBtn" type="submit">Ajouter le jeu</button>
           <button id="cancelEditBtn" type="button" class="btn-secondary hidden">Annuler edition</button>
         </form>
+        <input id="coverUrlInput" type="hidden" />
 
         <div id="gamesList" class="games-list"></div>
       </section>
@@ -201,6 +206,7 @@
 
     <template id="gameCardTemplate">
       <article class="game-card">
+        <img class="game-cover hidden" alt="Pochette du jeu" loading="lazy" />
         <div class="game-main">
           <h3 class="game-title"></h3>
           <p class="game-meta"></p>