Update README for the python.languageServer configuration default (#288)

## Summary

Follow-up to #283


[Rendered](https://github.com/astral-sh/ty-vscode/blob/99c5090fc98c03da5cc5df6ea5fccd0cf34134ee/README.md#usage)

Author: dhruvmanila

README.md

@@ -37,12 +37,21 @@ Currently, the extension supports the following features:
 Once installed in Visual Studio Code, ty will automatically execute when you open or edit a
 Python or Jupyter Notebook file.
 
-It's recommended to disable the language server from the [Python extension](https://marketplace.visualstudio.com/items?itemName=ms-python.python) to avoid running two Python language servers
-by adding the following [setting](https://code.visualstudio.com/docs/python/settings-reference#_intellisense-engine-settings) to your [`settings.json`](https://code.visualstudio.com/docs/configure/settings#_settings-json-file):
-
-```json
+The extension automatically disables the language server from the [Python
+extension](https://marketplace.visualstudio.com/items?itemName=ms-python.python)
+to avoid running two Python language servers. This is done by setting
+[`python.languageServer`](https://code.visualstudio.com/docs/python/settings-reference#_intellisense-engine-settings) to `"None"` as a default configuration.
+
+If you prefer to use ty only for type checking and want to use another language
+server for capabilities like hover, auto-completions, etc., you can override
+this by explicitly setting [`python.languageServer`](https://code.visualstudio.com/docs/python/settings-reference#_intellisense-engine-settings) and
+[`ty.disableLanguageServices`](https://docs.astral.sh/ty/reference/editor-settings/#disablelanguageservices)
+in your [`settings.json`](https://code.visualstudio.com/docs/configure/settings#_settings-json-file):
+
+```jsonc
 {
-  "python.languageServer": "None"
+  "python.languageServer": "Pylance",
+  "ty.disableLanguageServices": true,
 }
 ```