update vim config

home/.config/nvim/lua/lsp.lua

@@ -16,6 +16,13 @@ lspconfig.gopls.setup {
   },
 }
 
+-- ruby LSP
+lspconfig.ruby_lsp.setup({
+  cmd = { "ruby-lsp" }, -- or provide full path if needed
+  filetypes = { "ruby" },
+  root_dir = lspconfig.util.root_pattern("Gemfile", ".git"),
+})
+
 -- Completion
 local cmp = require("cmp")
 cmp.setup({