[Epic] Benchmark suite

[jsimnz]

Add a benchmark suite that covers all the main components, both in some level of isolation, as well as full integration via the query interface.

This suite should cover varying workloads:

• 100% read
• 100% write
• 50/50 mixed
• 70/30 mixed

Additionally, look into common DB benchmark practices and tools. I'll update this issue to include these resources.

Sub Tasks:

• Sample data seeder #45
• Benchmark: Collection #70
• Benchmark: Query API #71
• Benchmark: Unit (internal) APIs #72
• Benchmark: External tooling #73

[jsimnz]

Also look into external benchmark suites like nosqlbench