v1.12.8

Commits

• [d51e32a]: Add CONTRIBUTING.md and CODE_OF_CONDUCT.md (#484) (RomanTsukanov) #484
• [1a43438]: Fixed #486 - The setColumnWidth function doesn't decrease a column width (tsv2013)
• [865df22]: columnMinWidth tabulator sample option (tsv2013)
• [276b598]: Fixed u-test (tsv2013)
• [ce70d17]: Downgrade chrome version (#487) (Dmitry) #487
• [2473618]: Fix testcafe version (Dmitry Kuzin)
• [98508d7]: "Release: 1.12.8 [azurepipelines skip]" (dmitrykurmanov)