Excel Library, multiple broken links in several pages

[IvanKitanov17]

There are multiple broken links in the Excel Library pages that are listed below:

1. https://staging.infragistics.com/products/ignite-ui-angular/angular/components/excel-library

In the first paragraph the Cell link is broken. Probably should be set to WorksheetCell

In the API references the following links are broken - Load and WorkbookInProcessRuntime

2. https://staging.infragistics.com/products/ignite-ui-angular/angular/components/excel-library-using-cells#merging-cells

The link for the Add method is broken in the following sections – Merging Cells and API References.

3. https://staging.infragistics.com/products/ignite-ui-angular/angular/components/excel-library-using-tables#adding-a-table-to-a-worksheet

The link for the Add method is broken in the following section – Adding a Table to a Worksheet

4. https://staging.infragistics.com/products/ignite-ui-angular/angular/components/excel-library-working-with-charts#usage

The links for these pages – AddChart, Area, Line and Pie are broken in the following sections – Usage and API References.