Add symbols-outline.nvim (#96)

README.md

@@ -58,6 +58,7 @@ Neovim supports a wide variety of UI's.
 - [jose-elias-alvarez/nvim-lsp-ts-utils](https://github.com/jose-elias-alvarez/nvim-lsp-ts-utils) - Utilities to improve the TypeScript development experience for Neovim's built-in LSP client.
 - [ray-x/navigator.lua](https://github.com/ray-x/navigator.lua) - Learn existing code quickly and navigate code like a breeze. A swiss army knife makes exploring LSP and 🌲Treesitter symbols a piece of 🍰.
 - [liuchengxu/vista.vim](https://github.com/liuchengxu/vista.vim) - List all functions and variables in a window of your current file.
+- [simrat39/symbols-outline.nvim](https://github.com/simrat39/symbols-outline.nvim) - A tree like view for symbols in Neovim using the Language Server Protocol. Supports all your favourite languages.
 
 ##### LSP Installers