Name standalone mobile editor path

apps/web/src/lib/mobile-editor.ts

@@ -1,9 +1,11 @@
+export const STANDALONE_MOBILE_EDITOR_PATH = "/mobile-edit.html";
+
 export const getStandaloneMobileEditorHref = (memoId: string, returnTo = "/") => {
   const params = new URLSearchParams({
     memoId,
     returnTo,
   });
-  return `/mobile-edit.html#${params.toString()}`;
+  return `${STANDALONE_MOBILE_EDITOR_PATH}#${params.toString()}`;
 };
 
 export const openStandaloneMobileEditor = (memoId: string, returnTo = "/") => {