feat: Implemented the rest client for raccoon

[AkbaraliShaikh]

• Created the basic repo structure
• Implemented the Serializer for user events (Json/Proto)
• Implemented the Wire Marshaler for raccoon service request/response (json/proto)
• Json is the default wire marshaler for Rest client
• Implemented the options pattern for Rest Client
• Implemented the Rest Client Send() method
• Implemented the Grpc Client Send() method
• Added tests for all the files