0.2.0 - debugged release

What's Changed

• Fix section overlap, improve rnaseq layout and rendering by @pinin4fjords in #11
• Fix layout engine bugs and add topology stress-test suite by @pinin4fjords in #12
• Layout engine fixes, topology stress tests, and rendering improvements by @pinin4fjords in #13
• chore: Re-render topology PNGs after layout engine fixes by @pinin4fjords in #14
• Codebase refactor: extract constants, split modules, remove dead code by @pinin4fjords in #15
• docs: Improve README with CLI reference and examples by @pinin4fjords in #16
• docs: Add mkdocs-material website with example gallery by @pinin4fjords in #17
• docs: Add versioned docs via mike (dev + release) by @pinin4fjords in #18
• chore: Bump version to 0.2.0 by @pinin4fjords in #19

Full Changelog: 0.1.1...0.2.0