Show dynamic locations with a poster on Shop module

src/components/organisms/Shop.svelte

@@ -1,6 +1,13 @@
 <script lang="ts">
+    import { getContext } from 'svelte'
     // Components
     import Button from '$components/atoms/Button.svelte'
+
+    const { location } = getContext('global')
+
+    const locationsWithPoster = location
+        .filter((loc: any) => loc.has_poster)
+        .map((loc: any) => loc.name)
 </script>
 
 <div class="shop shadow-box-dark">
@@ -16,7 +23,9 @@
                 text="Shop"
                 url="/shop"
             />
-            <p class="detail">Posters available for Melbourne, Brisbane, Montpellier and Bordeaux.</p>
+            <p class="detail">
+                Posters available for {locationsWithPoster.join(', ').replace(/,(?!.*,)/gmi, ' and')}.
+            </p>
         </div>
     </div>
 </div>