Update image dead link, UI improvements, Added IDs

[max-programming]

1) Updated the dead link for the second product.

2) Made the remove button in the cart page look better

Before:

After: Added a hover effect:

3) Added unique IDs for each product using the uuid package

This error/warning was in the console because of using index in the v-for loop

So I used the uuid package to add unique id's to each product:

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Let me know if any other changes are required

[max-programming]

Continuation of #12

[max-programming]

@crisgon What do you think about these fixes?