[SSN] Convert Int To Others

A converter node that takes an integer input and outputs its string and float representations. Class methods ------------- INPUT_TYPES (dict): Defines the input fields for this node: a single integer. Attributes ---------- RETURN_TYPES (`tuple`): The type of the output tuple: a STRING and a FLOAT. RETURN_NAMES (`tuple`): The name of the output ("String", "Float"). FUNCTION (`str`): The entry-point method name ("execute"). CATEGORY (`str`): The category under which this node appears in the UI ("Converter"). execute(integer) -> tuple: Returns a tuple containing the string form of the input integer.