added configuration for the language server for elm

nvim/lua/settings/lazy/plugins/nvim-lspconfig.lua

@@ -232,5 +232,10 @@ return {
 			capabilities = capabilities,
 			on_attach = on_attach,
 		})
+
+		lspconfig.elmls.setup({
+			capabilities = capabilities,
+			on_attach = on_attach,
+		})
 	end,
 }