Update data/dev/i18n json file
Following the ticket dotstatsuite-data-explorer#456 (closed), some key labels had to be updated for different languages.
The concerned keys are:
"de.footer.author": ".Stat Suite",
"de.footer.description": "{icon} Powered by the {link}",
"de.viewer.copyright.content.label": "SIS-CC {link}",
"de.viewer.copyright.content.link.label": "Terms & Conditions",
"de.viewer.copyright.label": "©",
Edited by jean-baptiste nonin