Implement simulation object validation checks #250

Job	Run time
Check license	3s
Check copyright headers	4s
Shellcheck	7s
Static code analysis	1m 17s
Tests (klayout27)	1m 21s
Tests (klayout28)	1m 17s
Tests (non-🐧) (windows-latest, klayout27)	2m 18s
Verify documentation	4m 37s
Tests (non-🐧) (windows-latest, klayout28)	3m 12s
Tests (latest)	1m 12s
Verify layer properties	39s
Tests (non-🐧) (windows-latest, latest)	2m 55s
Tests (non-🐧) (macos-latest, klayout27)	13m 57s
Tests (non-🐧) (macos-latest, klayout28)	1m 7s
Tests (non-🐧) (macos-latest, latest)	1m 3s
Deploy documentation	0s
Publish test results	55s
Build & Publish kqcircuits 🐍 📦	41s
	36m 45s

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