Readme

See merge request !9

Add file size limit for downloads

Closes #8

See merge request !8

Add failure handling - fixes #7

Closes #7

See merge request !7

Return UUID when enquing

See merge request !6

Don't block async when processing images

See merge request !5

Return enqueue response when new url

Closes #9

See merge request !4

Configurable port - fixes #4

Closes #4

See merge request !3

Debian packing

Closes #6

See merge request !2

CI

See merge request !1