build: upgrade version and add license

Author: ankit-v2-3

setup.py

@@ -23,6 +23,7 @@
     version=about["__version__"],
     author=about["__author__"],
     author_email=about["__email__"],
+    license=about["__license__"],
     description="VideoDB Python SDK",
     long_description=long_description,
     long_description_content_type="text/markdown",

videodb/__about__.py

@@ -1,8 +1,9 @@
 """ About information for videodb sdk"""
 
 
-__version__ = "0.2.0"
+__version__ = "0.2.1"
 __title__ = "videodb"
 __author__ = "videodb"
 __email__ = "[email protected]"
 __url__ = "https://github.com/video-db/videodb-python"
+__license__ = "Apache License 2.0"