Hi There..
! I am done with the required example (using Ext JS 6 with MVVM architecture) of CRUD with dummy data. But can share you source code & app via message board.
Can you please reply with PM. So i can share you said stuff immediately.
# My Skills"
-] Very Good Experience on Sencha ExtJS version 3 to 6 (Modern & Classic), D3.js, Ext Desk, Sencha Touch, Sencha Architect & Other JavaScript libraries.
-] Extensive experience on HTML5 Css3, Ionic 1-4, AngularJs 1-8, ReactJS, flutter, Firebase, ngcordova, JQuery Mobile, Sencha Touch, Sencha Architect, Cordova/Phonegap, Angularjs & Bootstrap
# Please check my profile - you will see - I have recently done more then "$31,972.3" project.
https://www.freelancer.com/u/ClickApps?w=f
-] Good hands on Sencha ExtJS version 3 to 6 (Modern & Classic), D3.js, Ext Desk, Sencha Touch, Sencha Architect & Other JavaScript libraries.
-] Can you please share the complete scope?
Awaiting Reply
Thanks