How to use this plugin central

Place this link in netbeans https://www.quantr.hk/wp-json/quantr-netbeans/xml/

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netbeans-antlr-4.4.nbm
netbeans-antlr-4.5.nbm
netbeans-minimap-4.0.nbm
netbeans-quick-outline-1.5.nbm
sharepoint-online-1.0.nbm