feat: repo map (#496)

* feat: repo map

* chore: remove breakline

* chore: remove spaces

* fix: golang public method

* feat: mentions for editing input

lua/avante/llm.lua

@@ -60,11 +60,14 @@ M.stream = function(opts)
 
   Path.prompts.initialize(Path.prompts.get(opts.bufnr))
 
+  local filepath = Utils.relative_path(api.nvim_buf_get_name(opts.bufnr))
+
   local template_opts = {
     use_xml_format = Provider.use_xml_format,
     ask = opts.ask, -- TODO: add mode without ask instruction
     question = original_instructions,
     code_lang = opts.code_lang,
+    filepath = filepath,
     file_content = opts.file_content,
     selected_code = opts.selected_code,
     project_context = opts.project_context,