add jsrender for field rendering in models #579

Job	Run time
build	2m 57s
Julia 1.6 - ubuntu-latest - x64	2m 43s
Julia 1.6 - macOS-latest - x64	5m 22s
Julia 1.6 - windows-latest - x64	12m 8s
Julia 1.7 - ubuntu-latest - x64	2m 38s
Julia 1.7 - macOS-latest - x64	4m 26s
Julia 1.7 - windows-latest - x64	3m 35s
Julia nightly - ubuntu-latest - x64	7m 10s
Julia nightly - macOS-latest - x64	7m 52s
Julia nightly - windows-latest - x64	5m 38s
	54m 29s

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