Merge branch charts:5.0.x into 3391197-enable-support-for

charts.module

charts.post_update.php

charts.services.yml

config/install/charts.settings.yml

config/schema/charts.settings.schema.yml

...es/charts_api_example/src/Controller/ChartsApiExample.php

modules/charts_billboard/README.md

modules/charts_billboard/charts_billboard.install

modules/charts_billboard/charts_billboard.libraries.yml

modules/charts_billboard/composer.json

modules/charts_c3/charts_c3.install

modules/charts_chartjs/README.md

modules/charts_chartjs/charts_chartjs.install

modules/charts_chartjs/charts_chartjs.libraries.yml

modules/charts_chartjs/composer.json

modules/charts_chartjs/src/Plugin/chart/Library/Chartjs.php

modules/charts_highcharts/README.md

modules/charts_highcharts/charts_highcharts.install

modules/charts_highcharts/charts_highcharts.libraries.yml

modules/charts_highcharts/composer.json