log the discovery date of the url
log the discovery date of the url

MikeLx/open-source-search-engine,MikeLx/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine,MikeLx/open-source-search-engine,MikeLx/open-source-search-engine,gigablast/open-source-search-engine,MikeLx/open-source-search-engine,gigablast/open-source-search-engine,MikeLx/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine,gigablast/open-source-search-engine