v0.3.0
======
This minor release updates the main opencv dependency of the package to
``opencv-python`` and adds a conditional ``opencv-python-headless``
installation job to CI.

Updates / New Features
----------------------

Documentation

* Updated README.md under ``examples``.

CI/CD

* Added a conditional case of ``opencv-python-headless`` installation.

Package

* Updated main opencv dependency from ``opencv-python-headless`` to
  ``opencv-python``.