message: Update .codedocs
  Use readme as mainpage
diff: DOXYFILE = Doxyfile
  +INPUT += README.md
  +USE_MDFILE_AS_MAINPAGE = README.md
  +
  # Specify external repository to link documentation with.
  # This is similar to Doxygen's TAGFILES option, but will automatically link to
  # tags of other repositories already using CodeDocs. List each repository to
  