[RR]Create CONTRIBUTING.md

CONTRIBUTING.md

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+# Creating a PR📄 
+
+If you want to optimize this project, add features or remove bugs from this project, you are highly encouraged to do so by creating a PR. Your PR would be reviewed by the maintainer and then it depends on maintainer to merge that PR or not.
+
+If you don't know how to create a PR, don't worry. Here is a step-by-step procedure on how to proceed to create a PR.
+
+
+**#**  Take a look at the existing or create your own issues. A first good issue can be updating README file. Since Open Lake maintainers are generous enough, it is optional to create a issue or wait for a issue to be assigned to you, you can directly create a PR without creating an issue.
+
+**1.**  Fork repository.
+
+**2.**  Open Git Bash.
+
+**3.**  Clone your forked copy of the repositary.
+
+```
+git clone <link of your forked repo>
+```
+
+**4.** Navigate to the project directory .
+
+```
+cd <repo name>
+```
+
+**5.** Add a reference(remote) to the original repository.
+
+```
+git remote add upstream <original repo link>
+```
+
+**6.** Check the remotes for this repository.
+
+```
+git remote -v
+```
+
+**7.** Always take a pull from the upstream repository to your master branch to keep it at par with the main project(updated repository).
+
+```
+git pull upstream master
+```
+
+**8.** Create a new branch.
+
+```
+git checkout -b <your branch name>
+```
+
+**9.** Perform your desired changes to the code base.
+
+<p align="center"><img width=40% src="https://media.giphy.com/media/QNFhOolVeCzPQ2Mx85/giphy.gif"></p>
+
+**10.** Track your changes .
+
+```
+git add . 
+```
+
+**11.** Commit your changes .
+
+```
+git commit -m "your message"
+```
+
+**12.** Push the committed changes in your feature branch to your remote repo.
+
+```
+git push -u origin <your branch name>
+```
+
+**13.** To create a pull request, click on `compare and pull requests`. Please ensure you compare your feature branch to the desired branch of the repo you are suppose to make a PR to.
+
+**14.** Add appropriate title and description to your pull request explaining your changes. You can see the official PR Format Guidelines [here](https://github.com/OpenLake/Leaderboard-Pro/wiki/PR-Format-Guidelines).
+
+**15.** Click on `Create Pull Request`.
+
+**16.** Congratulations! you have made your PR.
+
+<p align="center"><img src="https://media.giphy.com/media/RLFYsKqesq4Q2zFHlJ/giphy.gif" width=30%></p>
+
+**17.** Now your PR would be reviewed by the maintainer. Sometimes your maintainer would merge your PR request without asking for any further changes.
+
+  <p align="center"><img width=40% src="https://media.giphy.com/media/RlrcXMffVZaouUVPGD/giphy.gif"></p>
+
+   But sometimes your PR might be reviewed to infinity.
+
+<p align="center"><img width=40% src="https://tenor.com/view/calculating-talking-computing-gif-15613545.gif"></p>