Document border option and publicize has_code_win

lua/symbols-outline/config.lua

@@ -3,12 +3,12 @@ local vim = vim
 local M = {}
 
 M.defaults = {
+  position = 'right',
+  width = 25,
   highlight_hovered_item = true,
   show_guides = true,
-  position = 'right',
   border = 'single',
   relative_width = true,
-  width = 25,
   auto_close = false,
   auto_preview = false,
   open_hover_on_preview = true,

lua/symbols-outline/preview.lua

@@ -24,6 +24,8 @@ local function has_code_win()
   return isBufValid
 end
 
+M.has_code_win = has_code_win
+
 local function get_offset()
   local outline_winnr = so.view.winnr
   local width = 53