add: support origin URL for agent installer instructions #679

Job	Run time
Check versioning for consistency	15s
Build the documentation	37s
Check type hints (3.12)	11s
Linting (3.13)	9s
Linting (3.11)	11s
Check type hints (3.13)	15s
Linting (3.12)	8s
Run tests (3.12)	17s
Run tests (3.10)	18s
Check type hints (3.14)	13s
Check type hints (3.11)	12s
Run tests (3.13)	20s
Linting (3.14)	10s
Run tests (3.11)	18s
Run tests (3.14)	18s
Check type hints (3.10)	18s
Linting (3.10)	11s
Upload coverage to codecov.io	22s
	4m 43s

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