Generate empty junction parameters file if exporting chip from file #268

Job	Run time
Check copyright headers	7s
Check license	5s
Static code analysis	1m 21s
Shellcheck	5s
Tests (klayout27)	1m 12s
Verify documentation	3m 29s
Tests (klayout28)	1m 11s
Tests (non-🐧) (windows-latest, klayout27)	51m 33s
Tests (latest)	2m 23s
Tests (non-🐧) (windows-latest, klayout28)	2m 30s
Verify layer properties	34s
Tests (non-🐧) (windows-latest, latest)	15m 11s
Tests (non-🐧) (macos-latest, klayout27)	14m 51s
Tests (non-🐧) (macos-latest, klayout28)	1m 4s
Tests (non-🐧) (macos-latest, latest)	1m 12s
Deploy documentation	52s
Publish test results	43s
Build & Publish kqcircuits 🐍 📦	3m 11s
	1h 41m 34s

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