Bump dcos-docs
Bump dcos-docs

Bump dcos/dcos-docs
  Joel Hamill:
     New dcos login command (#780)
     Fix CLI syntax (#779)
  José Armando García Sancio:
     Add cosmos configuration example
     Update wording
     Update configuration for Cosmos
  Sunil Shah:
     Fix typo.
     List should be alphabetised.
  sascala:
     Joel's pods edits
     tech overview update
     pods updates

dcos/dcos-website,dcos/dcos-website,dcos/dcos-website,dcos/dcos-website