Openpecha

Fix
* **core-pecha:** Find span info for all layers by default ([`973960a`](https://github.com/OpenPecha/Toolkit/commit/973960a06868c7ab16f4ef82611384cc1399f46e))
* **core-pecha:** Skip loading unsported layer ([`9e39086`](https://github.com/OpenPecha/Toolkit/commit/9e390868bc09e3342bafc6c6e9ae769d8ed6e48c))

Fix
* **google-ocr:** Add restrictedInchina, access, copyright, license to metadata ([`2055318`](https://github.com/OpenPecha/Toolkit/commit/2055318be4e77b033a586204e3fb8d9b49eec1f2))

Fix
* **metadata:** Add under copyright license ([`ceb9e39`](https://github.com/OpenPecha/Toolkit/commit/ceb9e39924c250fb9e0937c452ea0a174674e325))

Fix
* **google-ocr-formatter:** Meta title and author bug fixed ([`45b5b94`](https://github.com/OpenPecha/Toolkit/commit/45b5b942e7077ce6707f4f740de75787efbc1f05))
* **google-ocr-formatter:** Language layer formatter test case added ([`972278b`](https://github.com/OpenPecha/Toolkit/commit/972278bc0d0737826149614d74ded3e36c32204a))
* **google-ocr-formatter:** Language layer parser methods added ([`8f9ff0d`](https://github.com/OpenPecha/Toolkit/commit/8f9ff0da0cf8d84ec4bf65315021ba0ba633ab89))
* **google-ocr-formatter:** The ocr confidence index is saved in meta ([`b3ccd73`](https://github.com/OpenPecha/Toolkit/commit/b3ccd73e0d075dd7d1093f8abfd652a4947ff525))

Documentation
* Add initial pecha metadata eg. ([`f0a07b6`](https://github.com/OpenPecha/Toolkit/commit/f0a07b6a61d0eaea3e94910a3b963a44ac7dcc52))

Fix
* **metadata:** Refactor initial metadata ([`125b0ab`](https://github.com/OpenPecha/Toolkit/commit/125b0ab118f9b77c9c289f4a91a582a9d2b43a60))

Fix
* **google-ocr:** Empty page bug fixed ([`9352526`](https://github.com/OpenPecha/Toolkit/commit/93525267fa6feaecfdf5db306f1511e1b587e07f))

Documentation
* Add dependency ([`c861e95`](https://github.com/OpenPecha/Toolkit/commit/c861e95f2f6aa70af850e561cee29c0b861d23f5))
* Add pecha reference ([`9df1e5e`](https://github.com/OpenPecha/Toolkit/commit/9df1e5e9e6f6bc53d9d652b4622045ccf53000eb))