feat: add border for diagnostic

lua/config/options.lua

@@ -1,3 +1,14 @@
 -- Options are automatically loaded before lazy.nvim startup
 -- Default options that are always set: https://github.com/LazyVim/LazyVim/blob/main/lua/lazyvim/config/options.lua
 -- Add any additional options here
+vim.lsp.handlers["textDocument/hover"] = vim.lsp.with(vim.lsp.handlers.hover, {
+  border = "rounded",
+})
+vim.lsp.handlers["textDocument/signatureHelp"] = vim.lsp.with(vim.lsp.handlers.signature_help, {
+  border = "rounded",
+})
+vim.diagnostic.config({
+  float = {
+    border = "rounded",
+  },
+})