Chore: Update pr template

.github/PULL_REQUEST_TEMPLATE/pull_request_template.md

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+**IMPORTANT: Please do not create a Pull Request without creating an issue first.**
+
+Please, go through these steps before you submit a PR:
+1. Make sure that your PR is not a duplicate.
+2. If not, then make sure that:
+
+    a. You have done your changes in a separate branch. Branches MUST have descriptive names that start with either the `fix/` or `feature/` prefixes. Good examples are: `fix/signin-issue` or `feature/issue-templates`.
+
+    b. You have a descriptive commit message with a short title (first line).
+
+    c. You have only one commit (if not, squash them into one commit).
+
+    d. `npm test` doesn't throw any error. If it does, fix them first and amend your commit (`git commit --amend`).
+
+3. **After** these steps, you're ready to open a pull request.
+
+    a. Give a descriptive title to your PR.
+
+    b. Describe your changes.
+
+    c. Put `closes #XXXX` in your comment to auto-close the issue that your PR fixes.
+
+
+*Any change needs to be discussed before proceeding. Failure to do so may result in the rejection of the pull request.*
+
+
+**IMPORTANT**: Please review the [CONTRIBUTING](../#contribute) section for detailed contributing guidelines.
+
+**PLEASE REMOVE THIS NOTES BEFORE SUBMITTING**
+
+
+
+
+
+**Fixes** #XX
+
+Please provide enough information so that others can review your pull request:
+
+<!-- You can skip this if you're fixing a typo -->
+
+
+Explain the **details** for making this change. What existing problem does the pull request solve?
+
+<!-- Example: When "Adding a function to do X", explain why it is necessary to have a way to do X. -->
+
+A picture tells a thousand words:
+<!-- Provide a screenshot of npm test command here-->