Move "Sponsors" section down

Relocated the "Sponsors" section to improve the document's structure. This ensures that sponsorship details are positioned closer to the contributors' section, enhancing logical flow.

Signed-off-by: mesilov <[email protected]>

README.md

@@ -84,10 +84,6 @@ Performance improvements 🚀
 - [Bitrix24 API documentation - English](https://training.bitrix24.com/rest_help/)
 - [Internal documentation](docs/EN/documentation.md) for bitrix24-php-sdk
 
-## Sponsors
-
-Help bitrix24-php-sdk by [boosty.to/bitrix24-php-sdk](https://boosty.to/bitrix24-php-sdk)
-
 ## Requirements
 
 - php: >=8.2
@@ -347,6 +343,10 @@ Maksim Mesilov - [email protected]
 See also the list of [contributors](https://github.com/mesilov/bitrix24-php-sdk/graphs/contributors) which participated
 in this project.
 
+## Sponsors
+
+Help bitrix24-php-sdk by [boosty.to/bitrix24-php-sdk](https://boosty.to/bitrix24-php-sdk)
+
 ## Need custom Bitrix24 application?
 
 Email to [email protected] for private consultations or dedicated support.