doc: add and update project documation

[bhufmann]

• Add required legal document

  • CODE_OF_CONTUCT.md
  • LICENSE
  • NOTICE.md
  • SECURITY.md

• Update doc after migration to GitHub

  • Update
  • README.md
  • trace-server/README.md
  • Add
  • BUILDING.md
  • CONTRIBUTING.md

Signed-off-by: Bernd Hufmann bernd.hufmann@ericsson.com

[bhufmann]

I assume the COC was generated. It looks correct but I didn't bit-verify.

It's a copy of the official one of Eclipse: https://github.com/eclipse/.github/blob/master/CODE_OF_CONDUCT.md