fix: line break for windows

Author: polymo1

docs/getting-started/pairing-file.mdx

@@ -18,6 +18,7 @@ Download Jitterbugpair for [Windows (64-bit)](https://github.com/osy/Jitterbug/r
 3. Once it is done, you will get a file that ends with `.mobiledevicepairing`.
 4. Transfer this file to your device using iTunes, or any other method.
     * Transferring using cloud storage may change the file's extension (most likely turning into a .txt file), so be careful. It is also possible to change the extension to `.plist` for use with older SideStore versions, like `0.1.1`.
+
 On Windows, you might have to execute the program using Command Prompt or Powershell, as it can sometimes not open by double clicking the `.exe` file.
 
 5. In File Explorer, navigate to the folder where jitterbugpair is located.