Merge pull request #96 from yoshi389111/update-readme

update version 0.7.2 -> 0.8.0

Merge pull request #91 from yoshi389111/release-0.7.2

Release 0.7.2

Merge pull request #48 from yoshi389111/change_node16

change: node ver from 12 to 16

Merge pull request #41 from yoshi389111/release_0.7.0

Release 0.7.0

update for ver0.6.0

update for ver0.5.0

update for ver0.4.0

release 0.3.1

release 0.3.0

Merge pull request #18 from yoshi389111/release-0.2.0

Release 0.2.0