[wip] Rework Shop

- Change strategy for content fetching
- Add a route per page instead of using __layout for all
- Change the behaviors of the posters section (add a carousel on small screens)
- Change Poster buttons styling and make interactions only for desktop

src/style/pages/shop/_intro.scss

@@ -142,7 +142,7 @@
     width: 100%;
 
     .container {
-        padding: 0 16px 24px;
+        padding: 0 0 24px;
 
         @include bp (md) {
             display: grid;
@@ -166,10 +166,18 @@
 
     // Navigation
     nav {
+        display: flex;
+        justify-content: center;
+
         ul {
             display: flex;
             align-items: center;
-            justify-content: center;
+            overflow: auto;
+
+            @include bp (sm) {
+                justify-content: center;
+                overflow: hidden;
+            }
         }
         li {
             display: block;
@@ -199,4 +207,11 @@
             }
         }
     }
+
+    // Cart button
+    .button-cart {
+        @include bp (sm, max) {
+            display: none;
+        }
+    }
 }