Improve PEcAn.SIPNET documentation and connect to PEcAn book#3705

Eshaan-byte wants to merge 2 commits intoPecanProject:developPecanProject/pecan:developfrom

Eshaan-byte:GH-3703-improve-sipnet-documentationEshaan-byte/pecan:GH-3703-improve-sipnet-documentationCopy head branch name to clipboard