v2.3.0

What's Changed

Possibility to add empty tiles (provided shapes or randomly selected in an AoI) to train a detection model
Add FP labels to train a detection model
Option to delete small polygons (cut by tiling) before assessing the model

• Ch/add fp ept by @cleherny in #32
• Ch/add fp ept review by @clmarmy in #32

Full Changelog: v2.2.0...v2.3.0