matchbox v3.2.0

• updated CDA core logical model 2.0 and added tests
• docker multiarchitecture support and ci-build setup #76
• proxy support for downloading packages, thanks @ValentinLorand for your PR, #76
• matchbox-server: disable caching for specific engines / implementation guides #77
• update to core 5.6.100 and hapi-fhir 5.4.1 for r4 and r5 maps support #81
• get image from docker pull europe-west6-docker.pkg.dev/ahdis-ch/ahdis/matchbox:v3.2.0