test: inscription indexing, parsing, sequencing and satoshi numbering

[rafaelcr]

Adds a lot of unit tests. Also, refactors some of the code to make it easier to find and maintain:

• Separate DB functions into different files by concern (rocksdb, ordinals sqlite, helpers)
• Add test builders to create custom blocks, transactions, and inputs for testing
• Consolidate DB connection functions into one single utility
• Consolidate application configuration into the existing Config class

Increases test coverage from ~25% to ~50% 🚀

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 55.59567% with 369 lines in your changes missing coverage. Please review.	Files with missing lines	Patch %	Lines
components/ordhook-core/src/db/ordinals.rs	50.12%	195 Missing :warning:
components/ordhook-core/src/db/blocks.rs	51.26%	58 Missing :warning:
components/ordhook-core/src/db/cursor.rs	76.34%	44 Missing :warning:
components/ordhook-cli/src/cli/mod.rs	0.00%	20 Missing :warning:
components/ordhook-core/src/service/mod.rs	0.00%	18 Missing :warning:
components/ordhook-core/src/core/mod.rs	0.00%	12 Missing :warning:
components/ordhook-core/src/db/mod.rs	41.17%	10 Missing :warning:
components/ordhook-core/src/utils/mod.rs	77.27%	5 Missing :warning:
...k-core/src/core/protocol/inscription_sequencing.rs	86.66%	2 Missing :warning:
components/ordhook-core/src/scan/bitcoin.rs	0.00%	2 Missing :warning:
... and 3 more

:loudspeaker: Thoughts on this report? Let us know!