Add transaction fee to the admin order edit page in WooCommerce

HowTo Code Snippets
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Add transaction fee to the admin order edit page in WooCommerce.

Snippet Type

Execute on Child Sites

Snippet

https://github.com/mainwp/Code-Snippets-Functions/blob/master/Execute%20a%20function%20on%20a%20child%20site/WooCommerce/add-transaction-fee-on-admin-order-edit.txt