Issue: Add Pairs/matching game.

[JerinJohn99]

Create a memory game using JS.
Please assign this issue to me.

[Git21221]

please elaborate
@JerinJohn99

[JerinJohn99]

@Git21221 Its is similar to Memory game, where you match 2 same images.
For Example:

[JerinJohn99]

I have made pairs game, pls merge it.

[Git21221]

@JerinJohn99 raise a PR