Scratch 3.0 Updated version

[apple502j]

• Changes "Tips" to "Ideas"
• Translation updates:
  • [x] German (de.json)
  • [x] English (en.json)
  • [x] French (fr.json)
  • [x] Indonesian (id.json)
  • [x] Japanese (ja.json)
  • [x] Dutch (nl.json)
  • [x] Documentation (qqq.json)
  • [x] Russian (ru.json) (Done in #49)
  • [x] Chinese (zh-hans.json and zh-hant.json)

Should be [blocked] until Jan 2nd.

[Kenny2github]

(thank you for understanding what I meant when I specified the wrong strings for the wrong languages!)

[apple502j]

Changed credits url as well (source: LLK/scratch-www#2524

[rumanti]

Oops I'm not sure if I did the right thing

[Kenny2github]

@Rumanti that's good, thanks. Though next time try making the change on the pr branch and not master :)

[Kenny2github]

Fixed the German translations using the website strings.