Add ml permissions

[jdroenner]

• I added an entry to CHANGELOG.md if knowledge of this change could be valuable to users.

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Here is a brief summary of what I did:

[coveralls]

Pull Request Test Coverage Report for Build 13074893880

Details

• 401 of 440 (91.14%) changed or added relevant lines in 9 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage increased (+0.05%) to 90.074%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
services/src/machine_learning/mod.rs	0	1	0.0%
services/src/api/handlers/permissions.rs	274	280	97.86%
services/src/error.rs	0	6	0.0%
services/src/datasets/name.rs	46	53	86.79%
datatypes/src/machine_learning.rs	19	38	50.0%

Files with Coverage Reduction	New Missed Lines	%
services/src/permissions/mod.rs	1	75.44%

Totals
Change from base Build 13055768563:	0.05%
Covered Lines:	125968
Relevant Lines:	139849

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💛 - Coveralls

[ChristianBeilschmidt]

Es wurde ein Feature hinzugefügt, aber nicht getestet. Deshalb auch die geringe Coverage.
Sollte man das Feature nicht testen?