feat(spice): refactor netlisting and fix voltage source netlist (#316) #256

Job	Run time
Update release PRs	1m 24s
check-workspace / check-docs	2m 8s
check-workspace / test	4m 49s
check-workspace / lint	2m 53s
check-workspace / check-docs-site	1m 13s
Report coverage / coverage	4m 36s
Deploy documentation	1m 11s
Deploy API documentation	1m 7s
Publish crates	1m 1s
	20m 22s

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