Add cseickel/diagnostic-window.nvim

lsp.md

@@ -49,6 +49,7 @@
 - [Mofiqul/trld.nvim](https://github.com/Mofiqul/trld.nvim) ![](https://img.shields.io/github/stars/Mofiqul/trld.nvim) ![](https://img.shields.io/github/last-commit/Mofiqul/trld.nvim) ![](https://img.shields.io/github/commit-activity/y/Mofiqul/trld.nvim)
 - [Maan2003/lsp_lines.nvim](https://github.com/Maan2003/lsp_lines.nvim) ![](https://img.shields.io/github/stars/Maan2003/lsp_lines.nvim) ![](https://img.shields.io/github/last-commit/Maan2003/lsp_lines.nvim) ![](https://img.shields.io/github/commit-activity/y/Maan2003/lsp_lines.nvim)
 - [Kasama/nvim-custom-diagnostic-highlight](https://github.com/Kasama/nvim-custom-diagnostic-highlight) ![](https://img.shields.io/github/stars/Kasama/nvim-custom-diagnostic-highlight) ![](https://img.shields.io/github/last-commit/Kasama/nvim-custom-diagnostic-highlight) ![](https://img.shields.io/github/commit-activity/y/Kasama/nvim-custom-diagnostic-highlight)
+- [cseickel/diagnostic-window.nvim](https://github.com/cseickel/diagnostic-window.nvim) ![](https://img.shields.io/github/stars/cseickel/diagnostic-window.nvim) ![](https://img.shields.io/github/last-commit/cseickel/diagnostic-window.nvim) ![](https://img.shields.io/github/commit-activity/y/cseickel/diagnostic-window.nvim)
 
 #### Definition, Reference