fix support for _html.json
fix support for _html.json

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