Implement simulation object validation checks #253

Job	Run time
Shellcheck	7s
Check license	4s
Static code analysis	1m 21s
Check copyright headers	12s
Tests (klayout27)	1m 21s
Tests (non-🐧) (windows-latest, klayout27)	2m 44s
Verify documentation	4m 36s
Tests (klayout28)	1m 43s
Verify layer properties	36s
Tests (non-🐧) (windows-latest, klayout28)	3m 10s
Tests (latest)	1m 23s
Tests (non-🐧) (windows-latest, latest)	2m 54s
Tests (non-🐧) (macos-latest, klayout27)	13m 45s
Tests (non-🐧) (macos-latest, klayout28)	1m 0s
Tests (non-🐧) (macos-latest, latest)	1m 7s
Deploy documentation	0s
Publish test results	1m 45s
Build & Publish kqcircuits 🐍 📦	41s
	38m 29s

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