Update packages/create-llama/create-app.ts

Co-authored-by: Alex Yang <himself65@outlook.com>

create-app.ts

@@ -102,7 +102,7 @@ export async function createApp({
   console.log(
     `Now have a look at the ${terminalLink(
       "README.md",
-      "file://${appName}/README.md",
+      `file://${appName}/README.md`,
     )} and learn how to get started.`,
   );
   console.log();