Add classical simulator #13055

Job	Run time
Format check	19s
Changed files test	2m 3s
Doc test	2m 34s
Lint check	2m 8s
Type check	2m 30s
Notebook formatting	9s
Packaging test	1m 23s
Misc check	5s
Shell check	12s
Build docs	14s
Build protos	22s
Coverage check	17m 33s
Isolated pytest Ubuntu	9m 35s
Pytest MacOS (3.7)	3m 7s
Pytest MacOS (3.8)	3m 24s
Pytest MacOS (3.9)	3m 25s
Pytest MacOS (3.10)	3m 25s
Notebook Tests against PR	11m 17s
Check consistency of requirements	27s
Pytest Ubuntu (3.7)	10m 26s
Pytest Ubuntu (3.8)	10m 26s
Pytest Ubuntu (3.9)	10m 25s
Pytest Ubuntu (3.10)	10m 9s
Changed Notebooks Isolated Test against Cirq stable (partition-0)	26s
Changed Notebooks Isolated Test against Cirq stable (partition-1)	27s
Changed Notebooks Isolated Test against Cirq stable (partition-2)	26s
Changed Notebooks Isolated Test against Cirq stable (partition-3)	31s
Bundle file consistency	1m 0s
Typescript lint check	38s
Pytest Windows (3.7)	13m 17s
Pytest Windows (3.8)	13m 28s
Pytest Windows (3.9)	13m 31s
Pytest Windows (3.10)	13m 33s
Typescript tests coverage	53s
Typescript tests	56s
	2h 44m 44s

Provide feedback