Updated exporting docs with real context example
Updated exporting docs with real context example

Now that we have an actual MultilingualStringType, we can use it for
our "Using Contexts" example.

openprocurement/schematics,not-napoleon/schematics,promptworks/schematics,kaiix/schematics,mlyundin/schematics,not-napoleon/schematics,kstrauser/schematics,ee08b397/schematics,kstrauser/schematics,NerdWallet/schematics,eatfirst/schematics,promptworks/schematics,ee08b397/schematics