Describe the feature request

If I wanted to change how long it takes for the chart-update to render, I cannot do that because it's hardcoded without options in the ts-file (here).

Which charts does this feature request apply to?

All charts

Describe the solution you

Reference: https://www.w3.org/TR/WCAG20-TECHS/ARIA14.html#:~:text=The%20%27close%27%20element%20is%20implemented,accessible%20name%20to%20the%20button.&text=Working%20example%3A%20Close%20button%20example.

To help with accessibility, we need to add an aria attribute to the x in the modal header as per the link above. We should also reenable the tabindex so the x can be tabbed into. This was r

In the /admin/settings page there is a Front page day count and an RSS day count setting.

Both settings should allow a maximum of 1000. The view model can be found here.