Ontology Box init by top left point and bottom right point

[hepengfe]

This PR fixes #878.

Description of changes

• The default Box init method: height and width and center -> init Box by top left point and bottom right point
• move init by height & width & center to a classmethod

Possible influences of this PR.

It can simplify the Box API and enable two ways of initialization.

Test Conducted

Tested wrong box shape and wrong x/y coordinates of top left point and bottom right point.

[codecov]

Codecov Report

Merging #879 (6316d8a) into master (9e20ed5) will increase coverage by 0.07%.
The diff coverage is 73.21%.

@@            Coverage Diff             @@
##           master     #879      +/-   ##
==========================================
+ Coverage   80.78%   80.86%   +0.07%     
==========================================
  Files         254      254              
  Lines       19401    19434      +33     
==========================================
+ Hits        15673    15715      +42     
+ Misses       3728     3719       -9     

Impacted Files	Coverage Δ
forte/data/ontology/top.py	78.22% <54.54%> (+2.46%)	⬆️
tests/forte/image_annotation_test.py	100.00% <100.00%> (ø)

[hepengfe]

Actually, not one of those PR require BoundingBox so I think we can still include here to differentiate BoundingBox and Box. And current BoundingBox is in vanilla status and can be added more functionality as needed.