Update README to indicate repository status

gaudyb · web-flow · commit 922b4bff1a92 · 2025-12-17T13:00:12.000-06:00
Added a note about the repository being read-only and no longer maintained.
diff --git a/README.md b/README.md
@@ -1,3 +1,5 @@
+**This repository is the result of research efforts that are no longer active. It has been marked read-only on GitHub to preserve the public code, but is no longer maintained or accepting contributions.** 
+
 [![Build Status](https://img.shields.io/endpoint.svg?url=https%3A%2F%2Factions-badge.atrox.dev%2Fmicrosoft%2Fchart-parts%2Fbadge%3Fref%3Dmain&style=flat)](https://actions-badge.atrox.dev/microsoft/chart-parts/goto?ref=main)
 [![codecov](https://codecov.io/gh/microsoft/chart-parts/branch/main/graph/badge.svg)](https://codecov.io/gh/microsoft/chart-parts)
 

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,5 @@`
	`1`	`+This repository is the result of research efforts that are no longer active. It has been marked read-only on GitHub to preserve the public code, but is no longer maintained or accepting contributions.`
	`2`	`+`
`1`	`3`	`[![Build Status](https://img.shields.io/endpoint.svg?url=https%3A%2F%2Factions-badge.atrox.dev%2Fmicrosoft%2Fchart-parts%2Fbadge%3Fref%3Dmain&style=flat)](https://actions-badge.atrox.dev/microsoft/chart-parts/goto?ref=main)`
`2`	`4`	`[![codecov](https://codecov.io/gh/microsoft/chart-parts/branch/main/graph/badge.svg)](https://codecov.io/gh/microsoft/chart-parts)`
`3`	`5`