continue the dependancy injection

setup dependency injection on the api

delete legaacy api totally

removed legacy api from solution

upgrade wpf to .net core 3.1

add authentication to the API

add proper connection string lookup

updagrade the api to .net core 3.1

updagrade the api library to .net standard

upgrade UI library to .net standard

add user administration endpoint and screen

add user roles and delete example values controller

refine the change user method, add password delete, comment on exception handling

Add and update password on the UI and the API

Change container dependency by using IoC reference