Add framework for reading wrapper methods from configuration. Move th…

[prasad-okahu]

…e out of box wrapper methods into config files

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Further comments

Handle wrap methods to be read from files. Move out of box support for langchain, llamaindex and haystack methods to json files. This will enable contributors to add new methods easily to monocle. Also it lays out foundation to enable new methods tracing for applications overloading the out of box methods.