Dirty Changes

• Refactor all necessary bool to types.Bool (*bool)
• Change all functional fields to types.FuncStr (string)
• Move PageConfiguration out from opts.Initialization to avoid mess up configs
• Split configs for easy structure maintain

Features

• Support listening events via event.Listener
• Expose echarts instance via %MY_ECHARTS%
• Support expose render content for image extension snapshot-chromedp
• Expose charts.WithSeriesOpts for series config in case of WithX helper functions missing some opts in charts
• Provide brand new Docs on pages