Update README.md

registration status

Author: technocrat

README.md

@@ -10,7 +10,7 @@ A Julia package for exploring and visualizing ColorBrewer color schemes using Ma
 - **Export Capabilities**: Save plots as PDF files for publication
 - **Organized Display**: Split large scheme collections into manageable parts
 
-## Installation
+## Installation (2025-06-27—registration pending)
 
 ```julia
 using Pkg
@@ -117,4 +117,4 @@ This package is licensed under the MIT License.
 
 ## Contributing
 
-Contributions are welcome! Please feel free to submit a Pull Request. 
+Contributions are welcome! Please feel free to submit a Pull Request.