Add is.an.app file

[priyas-rana]

Link to Website

Link:

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[github-actions]

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Made a mistake in the record?

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Please, make sure that your PR passes the following checklist:

• ⭐ You have starred this repository
• 🗒 The file with your subdomain has a .js extension, well-formatted (indent size - 2 spaces) and all comments are removed
• 👤 There is sufficient information in the owner field
• 📋 You have clearly described a reason for the domain registration (and what you plan to use it for) in the PR description
• 🔗 The website is reachable and a link to it is in the PR description
• ✅ All CI checks are passed