v0.12.2

Changelog

97f712c v++ = 0.12.2
c687e1f Merge pull request #45 from kazeburo/gorelease-by-github-actions
de1fbfb fix version
5fee73f update go
8ca40e8 Merge branch 'master' into gorelease-by-github-actions
d4350aa goreleaser by github actions
f25e24d Merge pull request #44 from kazeburo/update-doc-for-build
30281d7 doc: updated how to build.