Update link to closed PR in README.md

[first-timers[bot]]

🆕🐥☝ First Timers Only.

This issue is reserved for people who never contributed to Open Source before. We know that the process of creating a pull request is the biggest barrier for new contributors. This issue is for you 💝

About First Timers Only.

🤔 What you will need to know.

Nothing. This issue is meant to welcome you to Open Source :) We are happy to walk you through the process.

📋 Step by Step

• [ ] 🙋 Claim this issue: Comment below.

  Once claimed we add you as contributor to this repository.

• [ ] 👌 Accept our invitation to this repository. Once accepted, assign yourself to this issue

• [ ] 📝 Update the file README.md in the Water-Monitoring-System repository (press the little pen Icon) and edit the line as shown below.

@@ -154,7 +154,7 @@ git push -u origin <your_branch_name>

 ## Mentors

- [![Open Source Love](https://badges.frapsoft.com/os/v2/open-source.svg?v=103)](https://github.com/vinitshahdeo) ![GitHub pull requests](https://img.shields.io/github/issues-pr-closed-raw/vinitshahdeo/Water-Monitoring-System?logo=git&logoColor=white)
+ [![Open Source Love](https://badges.frapsoft.com/os/v2/open-source.svg?v=103)](https://github.com/vinitshahdeo) [![GitHub pull requests](https://img.shields.io/github/issues-pr-closed-raw/vinitshahdeo/Water-Monitoring-System?logo=git&logoColor=white)](https://github.com/vinitshahdeo/Water-Monitoring-System/pulls?q=is%3Apr+is%3Aclosed)

 | GitHub Usernames  | Domain  |
 |---|---|

• [ ] 💾 Commit your changes

• [ ] 🔀 Start a Pull Request. There are two ways how you can start a pull request:

1. If you are familiar with the terminal or would like to learn it, here is a great tutorial on how to send a pull request using the terminal.

2. You can edit files directly in your browser

• [ ] 🏁 Done Ask in comments for a review :)

🤔❓ Questions

Leave a comment below!

This issue was created by First-Timers-Bot.

[sayashraaj]

I want to claim this issue

[huonggiangbui]

@PragatiVerma18 can I take this issue. I am very interested!

[shibam17]

@PragatiVerma18 I would like to take up this issue, can you please assign me?(gssoc20)

[shibam17]

@vinitshahdeo This is my first time in open source ,I would like to take up this issue, can you please assign me?(gssoc20)

[Akansha2202]

Sir please assign me this. This is my 1st time and I'm a complete beginner

[Akansha2202]

I want to claim this issue

[vinitshahdeo]

@Akansha2202 Assigning you this issue. Expecting TBD by Tuesday EOD.

[kichloo]

@vinitshahdeo Pl assign it to me!

[setika13]

Assign it to me for the first contribution to open source.

[deepdarshan21]

@vinitshahdeo , @PragatiVerma18 please assign me this issue I want to work on it

[PragatiVerma18]

@deepdarshan21 please go ahead.