Create xml.lua

lua/custom/plugins/xml.lua

@@ -0,0 +1,23 @@
+local function setup_format_xml_command()
+  local python_code = [[
+import vim
+import xml.dom.minidom
+
+def format_xml():
+    buf = vim.current.buffer
+    xml_data = '\n'.join(buf)
+    dom = xml.dom.minidom.parseString(xml_data)
+    pretty_xml = dom.toprettyxml()
+    formatted_lines = pretty_xml.split('\n')
+    buf[:] = formatted_lines
+
+format_xml()
+]]
+
+  vim.api.nvim_command("command! FormatXML :py3 " .. python_code)
+end
+
+-- Call the function to set up the command
+setup_format_xml_command()
+
+return {}