Add documents.

lua/cmp/config/default.lua

@@ -46,6 +46,7 @@ return function()
     },
 
     sorting = {
+      priority_weight = 2,
       comparators = {
         compare.offset,
         compare.exact,

lua/cmp/menu.lua

@@ -89,7 +89,7 @@ menu.update = check.wrap(function(self, ctx, sources)
     if s:has_items() and s.offset <= offset then
       if not has_triggered_by_character_source or s.trigger_kind == types.lsp.CompletionTriggerKind.TriggerCharacter then
         -- source order priority bonus.
-        local priority = (#sources - i - 1) * 2
+        local priority = (#sources - (i - 1)) * config.get().sorting.priority_weight
 
         local filtered = s:get_entries(ctx)
         for _, e in ipairs(filtered) do

lua/cmp/types/cmp.lua

@@ -75,6 +75,7 @@ cmp.ScrollDirection.Down = 'down'
 ---@field select boolean
 
 ---@class cmp.SortingConfig
+---@field public priority_weight number
 ---@field public comparators function[]
 
 ---@class cmp.FormattingConfig