v0.2.0

What's Changed

• ext: Bootstrap4 by @rerowep in #40
• python: use poetry by @PascalRepond in #38
• ui: enhance title levels differentiation by @PascalRepond in #41
• enhancement: improve general UI by @PascalRepond in #42
• UI enhancements by @PascalRepond in #44
• enhancement: improve search feature by @PascalRepond in #43

Full Changelog: v0.1.0...v0.2.0