installed catppuccin (colorscheme) for the time being

nvim/.config/nvim/lua/plugins/lsp.lua

@@ -78,6 +78,8 @@ return {
         --  For example, in C this would take you to the header.
         map("gD", vim.lsp.buf.declaration, "[G]oto [D]eclaration")
 
+        map("<leader>df", vim.diagnostic.open_float, "show diagnostic in floating window")
+
         -- The following two autocommands are used to highlight references of the
         -- word under your cursor when your cursor rests there for a little while.
         --    See `:help CursorHold` for information about when this is executed