Add linrongbin16/colorbox.nvim (#965)

README.md

@@ -507,6 +507,7 @@ These colorschemes may not specialize in Tree-sitter directly but are written in
 - [4e554c4c/darkman.nvim](https://github.com/4e554c4c/darkman.nvim) - Follow the system dark-mode setting on Linux.
 - [f-person/auto-dark-mode.nvim](https://github.com/f-person/auto-dark-mode.nvim) - Follow the system appearance on macOS.
 - [zaldih/themery.nvim](https://github.com/zaldih/themery.nvim) - A new way to change the colorscheme on the fly like in vscode.
+- [linrongbin16/colorbox.nvim](https://github.com/linrongbin16/colorbox.nvim) - Ultra colors all-in-one! It weekly collect and update the most popurlar colorschemes, install them via git submodules instead of copy-paste source code, and allow you do any switches with multiple policies and timings.
 
 ## Bars and Lines