Add 'script-src', 'report-sample', and update data for other directives. (#302)
Add 'script-src', 'report-sample', and update data for other directives. (#302)

* Add external support for 'script-src' directive.
* Add other known CSP values.
* Add 'report-sample' directive.
* Fix structure.
* Fix brace nesting.
mdn/browser-compat-data,chrisdavidmills/browser-compat-data,teoli2003/browser-compat-data,chrisdavidmills/browser-compat-data,mdn/browser-compat-data