Book layout

Detect structure of given page. [ver. 1.0.0]

# submitter when ver. description dev-0 F1 test-A F1
2 s444452 2023-04-02 19:28 1.0.0 layoutlmv2 base 30e 512 seq N/A N/A
1 s444452 2022-12-23 16:20 1.0.0 First solution 0.6366986373432577 0.7214252790403244