add versioning section in README

README.md

@@ -29,6 +29,12 @@ This repository is based on public template from Allison Thackston for a [generi
 - The Docker image is quite larage (around 7.5GB), keep that in mind when deleting, downloading or rebuilding the image.
 - **The Container has evelated privileges for performing networking administration**. This gives the container control over the hosts network stack.
 
+## Versioning
+
+The Docker image with the `lastest` tag is rebuild weekly, to incoperate updates frequently. This may cause instabilities. For a stable version choose an image based on a release and update it in the Dev-Container config
+
+https://github.com/DFKI-NI/turtlebot4_dev_container/blob/1c639b3b24d5d77556617ec7cffb9e509595d9c8/.devcontainer/devcontainer.json#L3
+
 ## TODOs
 
 - [ ] Provide setup scripts for the discovery server setup.