addon: adding my vim colorscheme

README.md

@@ -291,6 +291,7 @@ Tree-sitter is a new system coming in Neovim 0.5 that incrementally parses your
 - [EdenEast/nightfox.nvim](https://github.com/EdenEast/nightfox.nvim) - A soft dark, fully customizable Neovim theme, with support for lsp, treesitter and a variety of plugins.
 - [kvrohit/substrata.nvim](https://github.com/kvrohit/substrata.nvim) - A cold, dark color scheme for Neovim written in Lua ported from [arzg/vim-substrata](https://github.com/arzg/vim-substrata) theme.
 - [ldelossa/vimdark](https://github.com/ldelossa/vimdark) - A minimal Vim theme for night time. Loosely based on vim-monotonic and chrome's dark reader extention. A light theme is included as well for the day time.
+- [mangeshrex/uwu.vim](https://github.com/Mangeshrex/uwu.vim) - A beautiful and dark vim colorscheme written in vimscript. 
 
 #### Lua Colorscheme