docs: Add searchBarShortcutKeymap option to README

Co-authored-by: weareoutman <2338946+weareoutman@users.noreply.github.com>

Author: Copilot

README.md

@@ -59,6 +59,10 @@ module.exports = {
         // For Docs using Chinese, it is recomended to set:
         // language: ["en", "zh"],
 
+        // Customize the keyboard shortcut to focus search bar (default is "mod+k"):
+        // searchBarShortcutKeymap: "s", // Use 'S' key
+        // searchBarShortcutKeymap: "ctrl+shift+f", // Use Ctrl+Shift+F
+
         // If you're using `noIndex: true`, set `forceIgnoreNoIndex` to enable local index:
         // forceIgnoreNoIndex: true,
       }),
@@ -92,6 +96,7 @@ module.exports = {
 | ignoreCssSelectors                | string \| string[]                                                          | `[]`      | A list of css selectors to ignore when indexing each page.                                                                                                                                                                                                                                                                                                  |
 | searchBarShortcut                 | boolean                                                                     | `true`    | Whether to enable keyboard shortcut to focus in search bar.                                                                                                                                                                                                                                                                                                 |
 | searchBarShortcutHint             | boolean                                                                     | `true`    | Whether to show keyboard shortcut hint in search bar. Disable it if you need to hide the hint while shortcut is still enabled.                                                                                                                                                                                                                              |
+| searchBarShortcutKeymap           | string                                                                      | `"mod+k"` | Custom keyboard shortcut to focus the search bar. Supports formats like: `"s"` for single key, `"ctrl+k"` for key combinations, `"mod+k"` for Command+K (Mac) / Ctrl+K (others) - recommended cross-platform option, `"ctrl+shift+k"` for multiple modifiers.                                                                                            |
 | searchBarPosition                 | `"auto"` \| `"left"` \| `"right"`                                           | `"auto"`  | The side of the navbar the search bar should appear on. By default, it will try to autodetect based on your docusaurus config according to [the docs](https://docusaurus.io/docs/api/themes/configuration#navbar-search).                                                                                                                                   |
 | docsPluginIdForPreferredVersion   | string                                                                      |           | When you're using multi-instance of docs, set the docs plugin id which you'd like to check the preferred version with, for the search index.                                                                                                                                                                                                                |
 | zhUserDict                        | string                                                                      |           | Provide your custom dict for language of zh, [see here](https://github.com/fxsjy/jieba#%E8%BD%BD%E5%85%A5%E8%AF%8D%E5%85%B8)                                                                                                                                                                                                                                |