add animation support #41

Job	Run time
Rustfmt	15s
Clippy	4m 3s
Build Book	3m 27s
Code Coverage	10s
semver	42s
Tests (ubuntu-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	3m 14s
Tests (ubuntu-latest, firefox, plotly_ndarray,plotly_image,static_export_geckodriver,static_expor...	3m 0s
Tests (macos-latest, chrome, plotly_ndarray,plotly_image,static_export_default,debug)	2m 51s
Tests (windows-latest, chrome, plotly_ndarray,plotly_image,static_export_chromedriver,debug)	6m 3s
Build Wasm Examples (callback-example)	58s
Build Wasm Examples (basic)	59s
Build Examples (3d_charts)	36s
Build Examples (basic_charts)	31s
Build Examples (custom_controls)	31s
Build Examples (customization/density_mapbox_example)	31s
Build Examples (images)	54s
Build Examples (customization/consistent_static_format_export)	1m 56s
Build Examples (kaleido)	1m 40s
Build Examples (financial_charts)	29s
Build Examples (maps)	41s
Build Examples (scientific_charts)	28s
Build Examples (shapes)	34s
Build Examples (statistical_charts)	32s
Build Examples (themes)	40s
Build Examples (ndarray)	35s
Build Examples (subplots)	33s
Build Examples (customization/multiple_plots_example)	33s
	37m 26s

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