Issue #2879200 by Grimreaper: Improve installation of JS chart libraries

README.txt

modules/charts_c3/.gitignore

modules/charts_c3/README.txt

modules/charts_c3/charts_c3.libraries.yml

modules/charts_c3/composer.json

modules/charts_c3/src/Charts/C3ChartsRender.php

modules/charts_google/.gitignore

modules/charts_google/README.txt

modules/charts_google/charts_google.libraries.yml

modules/charts_google/composer.json

modules/charts_google/src/Charts/GoogleChartsRender.php

modules/charts_highcharts/.gitignore

modules/charts_highcharts/README.txt

modules/charts_highcharts/charts_highcharts.libraries.yml

modules/charts_highcharts/composer.json

...s/charts_highcharts/src/Charts/HighchartsChartsRender.php

src/Charts/ModuleSelector.php

src/Util/Util.php