Add "Parsing Amibious Grammar" to wiki

[furesoft]

Add a new page to the wiki to explain how to parse amibiois grammar rules. Reference the GroupOrTupleParselet form the FuncLanguage.

https://github.com/furesoft/Silverfly/blob/main/Source/Samples/Sample.FuncLanguage/Parselets/TupleOrGroupParselet.cs