root/pypi: links for free-google-serp-api

root/pypi free_google_SERP_api-1.0.4.tar.gz
root/pypi free_google_SERP_api-1.0.3.tar.gz
root/pypi free_google_SERP_api-1.0.2.tar.gz
root/pypi free_google_SERP_api-1.0.1.tar.gz