Resolve "replace docker with kaniko and crane for gitlab-ci"

Closes #139

See merge request !7

Merge branch '138-import-code-from-https-github-com-rdmorganiser-rdmo-app-into-this-repo' into 'develop'

Resolve "Import code from https://github.com/rdmorganiser/rdmo-app into this repo"

Closes #138

See merge request !6

Resolve "Implement GRO-theme as Django app"

Closes #110

See merge request !5

release 1.7