Work in progress

[abalmos]

@facastiblancor Here is my first cut on natsql. It is more of a script than a complete CLI tool at this point, but it is functioning for it's intended purpose.

I expect we need to:

• Support timescale DB
• Fix the CLI options (they are a bit annoying at the moment).
• Decide if this is for a stream or a consumer.
• Spawn tasks to do message validation (at the moment, the tool seems CPU limited by serde)
• Support other data types ? (Protobuf, CJSON, etc.)
• Support other databases? (sqlite, ?)