add a note in vscode section (#290)

* add a note in vscode section

This node is regarding a fix introduced in prettier-vscode 3.8.0 around Nov 2019 causing vscode settings to be ignored.

* concise the overrides part

README.md

@@ -116,6 +116,10 @@ You'll notice now that `prettier` is formatting every time the files are saved b
 }
 ```
 
+Note: When you install the npm package `prettier` in your project and create a `.prettierrc` file (which wasn't in your project before this), your VSCode's default settings or rules in `settings.json` are ignored ([prettier/prettier-vscode#1079](https://github.com/prettier/prettier-vscode/issues/1079)).
+
+If you want a different configuration for your javascript and solidity files, you can add an [overrides property](https://prettier.io/docs/en/configuration.html#configuration-overrides) to your `.prettierrc`.
+
 ## Contributing
 
 1. [Fork it](https://github.com/prettier-solidity/prettier-plugin-solidity/fork)