Update NOTES.md (#534)

* Update NOTES.md

#531: Quick document update about UID & GID using 1000 in devcontainer base images.

* Update src/common-utils/NOTES.md

@samruddhikhandale The common-utils Feature is used by most of the dev container images, along with the base image. Can we update the text?
Co-authored-by: Samruddhi Khandale <samruddhikhandale@github.com>

* Update src/common-utils/NOTES.md

@samruddhikhandale
Co-authored-by: Samruddhi Khandale <samruddhikhandale@github.com>

---------
Co-authored-by: Samruddhi Khandale <samruddhikhandale@github.com>

src/common-utils/NOTES.md

@@ -2,6 +2,11 @@
 
 This Feature should work on recent versions of Debian/Ubuntu, RedHat Enterprise Linux, Fedora, RockyLinux, and Alpine Linux.
 
+## Using with dev container images
+
+This Feature is used in many of the [dev container images](https://github.com/search?q=repo%3Adevcontainers%2Fimages+%22ghcr.io%2Fdevcontainers%2Ffeatures%2Fcommon-utils%22&type=code), as a result
+these images have already allocated UID & GID 1000. Attempting to add this Feature with  UID 1000 and/or GID 1000 on top of such a dev container image will result in an error when building the dev container.
+
 ## Customizing the command prompt
 
 By default, this script provides a custom command prompt that includes information about the git repository for the current folder. However, with certain large repositories, this can result in a slow command prompt due to the performance of needed git operations.