0.1.5: few fixes

This release introduces a bug fix in the presentation window alongside a better development workflows thanks to ts-for-gir.

Fixes

• 2f7d427: fix the fact that when the release update window was closed and opened again, it couldn't be closed.

Changes

• fc874c1: added type definitions for GObjects for an easier development workflow.

Detailed changelog: 0.1.4...0.1.5