Add argument abstract and discourse to the list of doc comments

Author: cmcgee1024

Sources/Commands/PackageCommands/GenerateDocumentation.swift

@@ -41,20 +41,20 @@ extension CommandInfoV0 {
       return []
     }
 
-    var line = 0
     var docComments: SymbolGraph.LineList = if let abstract = self.abstract { .init([SymbolGraph.LineList.Line(text: abstract, range: nil )]) } else { .init([]) }
-    line += 2
 
     if let args = self.arguments, args.count != 0 {
       let commandString: String = myPath.joined(separator: " ")
 
       docComments = .init(docComments.lines + [SymbolGraph.LineList.Line(text: "```\n" + commandString + self.usage(startlength: commandString.count, wraplength: 60) + "\n```", range: nil )]) // TODO parameterize the wrap length
-      line += 2
     }
 
     if let discussion = self.discussion {
       docComments = .init(docComments.lines + (discussion.split(separator: "\n").map({ SymbolGraph.LineList.Line(text: String($0), range: nil )})))
-      line += 2
+    }
+
+    for arg in self.arguments ?? [] {
+      docComments = .init(docComments.lines + [SymbolGraph.LineList.Line(text: "## \(arg.identity())\n\n\(arg.abstract ?? "")\n\n" + (arg.discussion ?? ""), range: nil)])
     }
 
     // TODO: Maybe someday there will be command-line semantics for the symbols and then these can be declared with more sensible categories