Release 0.9.42

• Merge pull request #18 from antvis/improve-buttons-code (06ef80f)
• home page has max width 1440px (0836f2c)
• refactor Banner (4971caa)
• fix @types/react-github-button (eb7fd5f)
• fix react-github-button (149279f)
• fix: github button problem (39918fb)
• fix: github button (50ec9df)
• showGithubStars should be default true (59af400)
• remove unneccessary function (7c542de)
• remove useless code (6904641)
• ⚡ optimize button code style (f300c88)
• Merge branch 'master' of https://github.com/antvis/gatsby-theme-antv (6416370)
• fix:notifications zindex problem (a7ada97)
• ⚡ remove react-github-corner (c961bff)
• fix: zindex of notifications (2cb182c)
• fix: conflict (e622265)
• fix: conflict. fix: banner positions for small screen (b96c883)
• feat: Header and Products card (#17) (3fd0d93)
• fix: style of github button. fix: hover styles for buttons. feat: buttons props for Banner. fix: performance of svg animation. (6557e05)
• fix button display layout (b9ef965)
• fix wrong usage (211d57a)
• remove unused code (cbd69f1)
• fix some detail (5627d51)
• Add links of china mirror (512b1c5)