Adding Bluespec Support

[iamkarthikbk]

Hi! I came across symbolator and hdlparse when I was looking to automate some of my documentation flow.
Is it possible that we can add Bluespec[1] support for hdlparse/symbolator ?
The Bluespec compiler already gives me verilog, but I think that parsing and diagramming Bluespec code will retain more high level information from my designs.

Please let me know if this is possible - I am willing to assist.

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[1] : https://github.com/B-Lang-org/bsc