Automated benchmarks

[neovintage]

Terraform scripts to run on demand and a subset of connectors. Sets up a benchmark. Runs X number of records through the database to see if we

Not every permutation of connector and database but close ;-)

Benchmarks for the internals of conduit.

Types:

1. Integration Benchmark - Useful for end users.
2. Unit Benchmarks - These are useful for us.

[hariso]

Related to https://github.com/ConduitIO/conduit/issues/22.

[lovromazgon]

Take ideas from https://github.com/benchmark-action/github-action-benchmark