Get trigger in last element of ngFor loop

## headersprovider
Get trigger in last element of ngFor loop

Installation instruction

    npm install lastinngfor --save

Instruction to use the package

# How to use?

    instruction for how to use
    
        import { LastDirective } from "lastinngfor";; //in module

        declarations: [
             LastDirective
        ]

        import { LastDirective } from "lastinngfor";; //in your component

        <div *ngFor="let item of arrayList; let last = last" [isLast]="last" (lastDone)="onlast(last)">

        //in your component
        onlast(obj:any){
            console.log('onlast called : '+obj);
            if(obj===true) {
                //write your code here
            }
        }