Release 3.0.0-beta.1

• fix linting (4a42050)
• fix hover (3034840)
• upgrade to beta (2b83790)
• fix typo (e3b2666)
• fix imports (92df6f6)
• update README (66f4e57)
• Merge branch 'develop' of github.com:sgratzl/chartjs-chart-box-and-violin-plot into develop (ed1812e)
• move interface (2e0e94b)
• Merge pull request #1 from sgratzl/sgratzl/ts (c727ecd)
• small fixes (1d36cc3)
• cleanup dependencies (92c0cd0)
• inline kde (649c40f)
• inline kde and fix tests (85a3a98)
• fix build (32ba62c)
• adapt code (cda6b0d)
• start migrating to typescript (444195b)
• update notes (79e2578)
• update readme (a61adda)