feat(outline): free ctrl-k /ctrl+j (#3686)

Allows to toggle window in outline using Ctrl-k /ctrl+j

Co-authored-by: 肖健正 <xiaojianzheng@qq.com>

lua/lazyvim/plugins/extras/editor/outline.lua

@@ -17,6 +17,10 @@ return {
       local opts = {
         symbols = {},
         symbol_blacklist = {},
+        keymaps = {
+          up_and_jump = "<up>",
+          down_and_jump = "<down>",
+        },
       }
       local filter = Config.kind_filter