Add a .shellcheckrc file #17189

Job	Run time
Type check	1m 26s
Packaging test	1m 10s
Changed files test	1m 5s
Doc test	1m 40s
Format check	6s
Lint check	2m 37s
Notebook formatting	9s
Misc check	6s
Build protos	15s
Shell check	5s
Coverage check	11m 16s
Isolated pytest Ubuntu	8m 26s
Pytest MacOS (3.10)	6m 5s
Check consistency of requirements	20s
Pytest MacOS (3.11)	7m 45s
Pytest Ubuntu (3.10)	6m 17s
Pytest MacOS (3.12)	10m 4s
Pytest Ubuntu (3.11)	5m 45s
Pytest Ubuntu with NumPy-2 (3.10)	6m 9s
Pytest Ubuntu (3.12)	6m 5s
Pytest Windows (3.10)	8m 25s
Pytest Ubuntu with NumPy-2 (3.11)	6m 8s
Pytest Windows (3.11)	7m 36s
Pytest Ubuntu with NumPy-2 (3.12)	6m 39s
Pytest Windows (3.12)	7m 35s
Pytest Ubuntu with NumPy-2 (3.13)	7m 9s
Notebook Tests against PR	10m 8s
Changed Notebooks Isolated Test against Cirq stable (partition-0)	47s
Typescript tests coverage	32s
Changed Notebooks Isolated Test against Cirq stable (partition-1)	45s
Bundle file consistency	45s
Changed Notebooks Isolated Test against Cirq stable (partition-2)	52s
Typescript lint check	33s
Changed Notebooks Isolated Test against Cirq stable (partition-3)	49s
Typescript tests	38s
	2h 16m 12s

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