✨(frontend) add offline mode support

Add a offline mode support from a service worker.
The service worker will cache the assets and the
visited pages to be able to work offline.
Created a fallback page for when the user is offline
and tries to access a page that is not cached.

src/frontend/apps/impress/public/assets/img-not-found.svg

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<svg
+  fill="currentColor"
+  viewBox="0 0 32 32"
+  id="icon"
+  xmlns="http://www.w3.org/2000/svg"
+>
+  <defs>
+    <style>
+      .cls-1 {
+        fill: none;
+      }
+    </style>
+  </defs>
+  <title>no-image</title>
+  <path
+    d="M30,3.4141,28.5859,2,2,28.5859,3.4141,30l2-2H26a2.0027,2.0027,0,0,0,2-2V5.4141ZM26,26H7.4141l7.7929-7.793,2.3788,2.3787a2,2,0,0,0,2.8284,0L22,19l4,3.9973Zm0-5.8318-2.5858-2.5859a2,2,0,0,0-2.8284,0L19,19.1682l-2.377-2.3771L26,7.4141Z"
+  />
+  <path
+    d="M6,22V19l5-4.9966,1.3733,1.3733,1.4159-1.416-1.375-1.375a2,2,0,0,0-2.8284,0L6,16.1716V6H22V4H6A2.002,2.002,0,0,0,4,6V22Z"
+  />
+  <rect
+    id="_Transparent_Rectangle_"
+    data-name="&lt;Transparent Rectangle&gt;"
+    class="cls-1"
+    width="32"
+    height="32"
+  />
+</svg>