Prototype applying georchestra access rules

[pmauduit]

Note the patterns changed from Pattern to String
to use Ant patterns instead of Java regex.

Rule uri's should be updated accordingly.

[pmauduit]

a NPE is fired in the tests because we can't have anonymous: false with no roles defined:
https://github.com/georchestra/georchestra-gateway/blob/main/src/main/resources/gateway.yml#L17-L18

Easily fixed by adding a allowed-roles: ... on the /testPage endpoint. Il will also require to switch from regex-based to ant-like patterns, we will have to remove '.' to simple wildcards ''.