Stfaseid http refactor

Description

Draft for new API. Needs extensive manual testing. Only merge if changes in https://code.fbi.h-da.de/danet/api/-/tree/10-refactor-current-proto-definitions-stfahelm and upcoming changes to CLI are approved.

Related Issue

#141 (closed)

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

go.mod

@@ -51,7 +51,6 @@ require (
 	golang.org/x/net v0.0.0-20211123203042-d83791d6bcd9 // indirect
 	golang.org/x/sys v0.0.0-20211123173158-ef496fb156ab // indirect
 	golang.org/x/text v0.3.7 // indirect
-	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	google.golang.org/genproto v0.0.0-20211208223120-3a66f561d7aa // indirect
 	gopkg.in/ini.v1 v1.64.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect