fix(highlight): allow override (#201)

update envvar parsing from cmdline

Signed-off-by: Aaron Pham <contact@aarnphm.xyz>

lua/cmp_avante/commands.lua

@@ -4,6 +4,7 @@ local source = {}
 
 ---@param sidebar avante.Sidebar
 function source.new(sidebar)
+  ---@type cmp.Source
   return setmetatable({
     sidebar = sidebar,
   }, { __index = source })