Add 404 design

messages/en/index.ts

@@ -18,6 +18,7 @@ import learn from "./pages/learn.json";
 import monitor from "./pages/monitor.json";
 import login from "./pages/login.json";
 import profile from "./pages/profile.json";
+import notFoundPage from "./pages/notFoundPage.json";
 import navigation from "./navigation.json";
 import metadata from "./metadata.json";
 
@@ -72,6 +73,7 @@ export default {
     monitor,
     login,
     profile,
+    notFoundPage,
   },
   create: {
     community: {

messages/en/pages/notFoundPage.json

@@ -0,0 +1,9 @@
+{
+  "_comment": "Global 404 — Figma 22078-808557",
+  "codeTitle": "404",
+  "heading": "Page not found",
+  "description": "Looks like this page didn't make it to a consensus. It may have moved, been removed, or never existed.",
+  "goHomeCta": "Go back home",
+  "browseTemplatesCta": "Browse templates",
+  "templateHint": "Maybe one of these templates can help?"
+}