feat: use symbols for LSP events instead of letters

lua/weeheavy/plugins/lsp/lsp-zero.lua

@@ -72,6 +72,22 @@ return {
 			{ "williamboman/mason-lspconfig.nvim", tag = "stable" },
 		},
 		config = function()
+			local signs = { Error = "󰅚 ", Warn = "󰀪 ", Hint = "󰌶 ", Info = " " }
+			for type, icon in pairs(signs) do
+				local hl = "DiagnosticSign" .. type
+				vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
+			end
+			vim.diagnostic.config({
+				update_in_insert = true,
+				signs = true,
+				virtual_text = {
+					prefix = "", -- Could be '●', '▎', 'x'
+					source = "if_many",
+				},
+				float = {
+					source = "if_many",
+				},
+			})
 			-- This is where all the LSP shenanigans will live
 			local lsp_zero = require("lsp-zero")
 			lsp_zero.extend_lspconfig()