Add logging relation jupyter-controller #874

Job	Run time
Run Tests / Bundle Integration	9m 41s
Publish Charm / Generate the Charm Matrix	3s
Run Tests / Individual charm's integration tests (controller)	10m 27s
Run Tests / Individual charm's integration tests (ui)	10m 44s
Run Tests / Lint Code (controller)	17s
Run Tests / Unit Test (controller)	37s
Run Tests / Lint Code (ui)	17s
Run Tests / Unit Test (ui)	28s
Run Tests / Check libraries (jupyter-controller) / Check libraries	27s
Run Tests / Check libraries (jupyter-controller) / Lint	12s
Run Tests / Check libraries (jupyter-ui) / Check libraries	22s
Run Tests / Check libraries (jupyter-ui) / Lint	11s
Publish Charm / Publish Charm (./charms/jupyter-ui)	9m 55s
Publish Charm / Publish Charm (./charms/jupyter-controller)	7m 29s
	51m 10s

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