Change the format of data.js generated file.
Add Fragment to the URL to limit the number of displayed languages.
Add a checkbox to display all screenshots or not.
Do not delete the whole screenshots folder, but just delete per language when the screenshots are generated.
Generate the data.js file regarding the existing screenshots, to be able to add languages.
Also the language will be sorted alphabetically (English still first).
And the screenshot will be sorted alphabetically.
Update the script to generate screenshot for specific language on demand.
