CRUD Operations in MongoDB with gRPC using Go

Featuring:

• MongoDB official Go driver
• Protocol Buffers
• gRPC client and server stubs in golang
• Client CLI tool made with Cobra

** Note: Cobra does not yet work with go modules for generating subcommands, you'll have to dig GOPATH out of its grave if you want to use the generator tool.

** Todo:

• Go Modules
• Code cleanup