Added license to the setup.py file

Hi, this PR was sent as part of [OSDC](https://osdc.code-maven.com/) taught by: @szabgab.
By adding the license to this file, it will be shown on the website [pypi.org](https://pypi.org/)

setup.py

@@ -20,6 +20,7 @@ setup(
     long_description=open("README.md").read(),
     long_description_content_type="text/markdown",
     url="https://github.com/momegas/megabots",
+    license="MIT",
     classifiers=[
         # Choose appropriate classifiers from
         # https://pypi.org/classifiers/