Add Harshasai1234

[HarshaSai1234]

Before submitting this pull request, please go through the checklist below.
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• I have added a screenshot from browser with my changes
• There are no errors in the console
• I had fun going through this tutorial (ノ^o^)ノ and learned on the way ٩(＾◡＾)۶
• There are some things I'd like to improve in this tutorial. I have written them below.