Update README.md

README.md

@@ -1037,6 +1037,8 @@ There are multiple ways to get a raw Markdown file available online, here are th
 2. Upload the Markdown file to your server
 3. Navigate to the location of that file, view the contents in your Browser, and copy/paste that URL into the Docsify-This **Markdown File URL** field
 
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 #### Improving Markdown Previews in Text Editors
 Some text editors, such as [Microsoft Visual Studio](https://code.visualstudio.com/) (including the online [GitHub.dev web editor](https://docs.github.com/en/codespaces/the-githubdev-web-based-editor)), have the ability to link your own CSS so Markdown previews are more visually accurate. If your editor supports this ability, the below CSS files can be used.