Endpoint for external cache input

Closes #19

See merge request !8

update readme

See merge request !7

license update

See merge request !6

Add cicd

See merge request !5

Make the namespace and scope fields optional when setting and getting values from cache

See merge request !4

Create SET cache endpoint

Closes #3

See merge request !3

Resolve "Create cache GET endpoint"

Closes #2

See merge request !2

Service skeleton with health check endpoints

Closes #1

See merge request !1