[Glitch] Add "My collections" page

Port a1acf8f4bc to glitch-soc

Signed-off-by: Claire <claire.github-309c@sitedethib.com>

app/javascript/flavours/glitch/features/ui/util/async-components.js

@@ -42,6 +42,12 @@ export function DirectTimeline() {
   return import('../../direct_timeline');
 }
 
+export function Collections () {
+  return import('../../collections').then(
+    module => ({default: module.Collections})
+  );
+}
+
 export function Status () {
   return import('../../status');
 }