Added functionSignatures.json in toolbox\multivariate, and fixed a typo

[BoschiGiacomo]

Proposed changes

New customized code suggestion for the following functions:

• Added code suggestions to CorAna, it has 2 mutually exclusive syntaxes that hide unnecessary inputs when N is a table.

• Added code suggestions to corrNominal, it has 2 mutually exclusive syntaxes that hide unnecessary inputs when N is a table.

• Added code suggestions to corrOrdinal, it has 2 mutually exclusive syntaxes that hide unnecessary inputs when N is a table.

Typedefs changes and additions inside multivariate\functionSignatures.json:

• Added complementary inputs to the Typedefs at the start of file for the function CorAna, corrNominal and corrOrdinal

Fixed Typos in documentation:

• In CorAna.m, at line 105, changed Sup.r in Sup.c

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)