release V0.2.1

Update Requirements
pycocotools needs Cython to be installed on Windows

What's Changed

• update new version v0.2.1 by @Youssef-Harby in #4

Full Changelog: 0.2...0.2.1

release V0.2

• Support COCO export dataset format
• Update UI
• Fix some bugs
• Replace OpenCV with GDAL/OGR

https://plugins.qgis.org/plugins/deep-learning-datasets-maker/version/0.2/

V0.1

https://plugins.qgis.org/plugins/deep-learning-datasets-maker/version/0.1/