Create gaia.json

[RicciLorenzo]

No description provided.

[TravisBuddy]

Travis tests have failed

Hey RicciLorenzo,
Please read the following log in order to understand the failure reason.
It'll be awesome if you fix what's wrong and commit the changes.

npm test

> name-db@1.0.0 test /home/travis/build/bluzi/name-db
> mocha



  name files
    ✓ should contain valid JSON
    ✓ should contain a lowercase name, same as the filename
    ✓ should not have duplicate names
    1) should have ISO-639-3 language codes
    ✓ should have correct structure (116ms)

  Translations
    ✓ should be lowercase

  Sex
    ✓ should be "m", "f" or "u"
    ✓ should be lowercase


  7 passing (289ms)
  1 failing

  1) name files
       should have ISO-639-3 language codes:
     Error: gre is not a valid ISO-639-3 language code in gaia.json
      at Context.it (test/test.js:52:27)



npm ERR! Test failed.  See above for more details.

[bluzi]

Thanks @RicciLorenzo!
Great addition!

merged #1