ETKX — developer guide

This guide is a stub. Content is coming as the docs settle.

Things this guide will cover:

• Transbase → SQLite migration pipeline (JDBC drivers, schema mapping).
• Spring Boot service surface — endpoints, data model, query helpers.
• SvelteKit frontend wiring + dev proxy to the backend.
• Diagram rendering shared with TISX's graphics format.
• Building from source + running the migration on your own ETK install.

In the meantime, the project README has the build / migration walkthrough.