Thank you for reaching out to us. I understand that it is taking awhile for the review to be completed and approved.
Please note that both new item submissions as well as updates to existing items are subject to automated system checks and may be flagged for manual review. Review times vary; some reviews complete in a few hours, others take many days, and in some cases a review can take several weeks, depending on review complexity of each item.
This documentation  will be helpful to get an understanding on what items our review team considers for manual review.
However, I noticed checked your extension and it's published to the Chrome Web Store successfully. Let us know if you need help with anything else. We greatly appreciate your understanding.
Chrome Web Store Developer Support Team