`dot` dependency should be optional

inab / WfExS-backend

Workflow Execution Service Backend

Apache License 2.0

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`dot` dependency should be optional #72

Open jmfernandez opened 9 months ago

jmfernandez commented 9 months ago

Right now, when a prospective RO-Crate is generated, dot is used to translate the workflow representation generated by the workflow engine into a PNG. When the command is not available or properly installed, the generation of the RO-Crate fails.