Fix header Packages

It is a simple grid with all basic feature. It's header is fixed and body is scrollable. For hierarchical data (where there is a Parent-Child relationship), check out this <a href="https://github.com/debabratapatra/angular-tree-grid">Angular Tree Grid</a>

It is a simple grid with all basic feature. It's header is fixed and body is scrollable. For hierarchical data (where there is a Parent-Child relationship), check out this <a href="https://github.com/debabratapatra/angular-tree-grid">Angular Tree Grid</