Update src/content/docs/workers/runtime-apis/nodejs/fs.mdx

Author: jasnell

src/content/docs/workers/runtime-apis/nodejs/fs.mdx

@@ -42,7 +42,8 @@ The directory structure initially looks like:
 
 The `/bundle` directory contains the files for all modules included in your
 Worker bundle, which you can read using APIs like `readFileSync` or
-`read(...)`, etc. These are always read-only.
+`read(...)`, etc. These are always read-only. Reading from the bundle
+can be useful when you need to read a config file or a template.
 
 The `/tmp` directory is writable, and you can use it to create temporary files
 or directories. You can also create symlinks in this directory. However, the