feat: add go lsp and formatting

lua/configs/conform.lua

@@ -4,6 +4,7 @@ local options = {
     python = { "black" },
     css = { "prettier" },
     html = { "prettier" },
+    go = { "goimports", "gofmt" },
   },
 
   -- format_on_save = {

lua/configs/lspconfig.lua

@@ -5,6 +5,7 @@ local capabilities = require("nvchad.configs.lspconfig").capabilities
 
 local lspconfig = require "lspconfig"
 local servers = { "html", "cssls", "clangd" }
+local util = require "lspconfig/util"
 
 -- lsps with default config
 for _, lsp in ipairs(servers) do
@@ -35,6 +36,23 @@ lspconfig.basedpyright.setup{
   }
 }
 
+lspconfig.gopls.setup {
+  on_attach = on_attach,
+  capabilities = capabilities,
+  cmd = {"gopls"},
+  filetypes = { "go", "gomod", "gowork", "gotmpl" },
+  root_dir = util.root_pattern("go.work", "go.mod", ".git"),
+  settings = {
+    gopls = {
+      completeUnimported = true,
+      usePlaceholders = true,
+      analyses = {
+        unusedParameters = true,
+      }
+    }
+  }
+}
+
 ---- ruff_lsp and pyright compatibility
 local on_attach = function(client, bufnr)
   if client.name == 'ruff_lsp' then