Write documentation for Oela Importer.

[maxbyte9p]

Write thorough documentation going over the features and usage of Oela Importer. Right now only the README exists in tools/oelabox-koji with a high-level usage overview.

• Give usage examples
  • regex mode
  • Real world examples of importing OpenELA repositories using regex branch matching
  • machine readable mode
  • Go over ways the machine readable JSON output can be read and interpreted.
  • chunking
  • Real world examples of importing a chunk of repositories
  • Go over how chunking can be used to split up import jobs

[maxbyte9p]

Starting on this now.

[maxbyte9p]

Done