下载Sencha全系产品的离线文档，包括ExtJS6.2在内

清单如下： Architect Architect 3.x Cmd Cmd 6.x Ext JS HTML Docs Ext JS 6.2.x Ext JS 6.2.0 Ext JS 6.0.x Ext JS 6.0.2 Classic Ext JS 6.0.1 Classic Ext JS 6.0.0 Classic Ext JS 5.1.x Ext JS 5.1.3 Ext JS 5.1.2 Ext JS 5.1.1 Ext JS 5.1.0 Ext JS 5.0.x Ext JS 5.0.1 Ext JS 5.0.0 JSDuck Ext JS 6.0.x Ext JS 6.0.2 Classic Ext JS 6.0.2 Modern Ext JS 6.0.1 Classic Ext JS 6.0.1 Modern Ext JS 6.0.0 Classic Ext JS 6.0.0 Modern Ext JS 5.1.x Ext JS 5.1.3 Ext JS 5.1.2 Ext JS 5.1.1 GXT GXT 4.x GXT 4.x GXT 3.x GXT 3.x IDE Plugins IDE Plugins Sencha Inspector Sencha Inspector Sencha Test Sencha Test Themer Themer Touch Touch Web Application Manager Web Application Manager