[GENERATOR] Create Transformer for Aliyun code generation tool

[pranjalwalia]

Describe the solution you'd like

• AST traversal to apply transformations to fill out the
  dummy classes
• Apply relevant transformations such as adding functions,
  parameters for the corresponding functions, and comments for
  the same in the auto-generated classes

Impact

• updates the code generation module of NodeCloud

Linked PR: #139