docs: update vimdocs

Author: Saghen

doc/blink-cmp.txt

@@ -1,4 +1,4 @@
-*blink-cmp.txt*           For NVIM v0.10.0          Last change: 2025 April 23
+*blink-cmp.txt*           For NVIM v0.10.0          Last change: 2025 April 25
 
 ==============================================================================
 Table of Contents                                *blink-cmp-table-of-contents*
@@ -2398,6 +2398,8 @@ PROVIDERS
           label_trailing_slash = true,
           get_cwd = function(context) return vim.fn.expand(('#%d:p:h'):format(context.bufnr)) end,
           show_hidden_files_by_default = false,
+          -- Treat `/path` as starting from the current working directory (cwd) instead of the root of your filesystem
+          ignore_root_slash = false,
         }
       },