Referencing issue #189
This is my first pull request, idk if you can choose to not merge .gitignore, package-lock and yarn.lock
the main things i made changes are: grid-demo.component.html, grid-demo.component.ts, grid.ts, grid.html, grid/interfaces.ts
Referencing issue #189 This is my first pull request, idk if you can choose to not merge .gitignore, package-lock and yarn.lock the main things i made changes are: grid-demo.component.html, grid-demo.component.ts, grid.ts, grid.html, grid/interfaces.ts