Openpecha

Fix
* Replace AnnType with LayerEnum ([`e0feb81`](https://github.com/OpenPecha/Toolkit/commit/e0feb817c3c3f90b02aa3253adabb875c6a8f5e9))

Fix
* Remove AnnType dependency which is redundant ([`fce9d7d`](https://github.com/OpenPecha/Toolkit/commit/fce9d7ddb9f13ca12072a72fc5a1d3ce1759d8b4))

Fix
* Circular import ([`4577a7d`](https://github.com/OpenPecha/Toolkit/commit/4577a7df2bf4b7085ee1cc9406cd59363f49d7b0))

Documentation
* Switch to mkdir-material insider ([`e1c0a45`](https://github.com/OpenPecha/Toolkit/commit/e1c0a45f294287f65e51e52489e4f21c08cd1486))

Fix
* **hocr-formatter:** Removed the update for empty volume bugs ([`9193669`](https://github.com/OpenPecha/Toolkit/commit/91936697e7c5a908cc1a1d376d2bcdc9f256ca04))
* **hocr-formatter:** Unzip html.zip and read html ([`9791dce`](https://github.com/OpenPecha/Toolkit/commit/9791dce0cabcb2e7953854e318393d4e5062c36f))

Fix
* **pecha:** Fix BUDA API ([`ace0d31`](https://github.com/OpenPecha/Toolkit/commit/ace0d31e171ba01e40d45ea68258b2b39ea0d824))

Fix
* **pecha:** Handle box rotation ([`182c674`](https://github.com/OpenPecha/Toolkit/commit/182c6749464f2db15e5b2a1ec648f09816db2e53))