created PR templated

Author: GouravRusiya30

PULL_REQUEST_TEMPLATE

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+# Pull Request Template
+
+## Description
+
+Please include a summary of the problem and about the approach to solve the solution. Please also include relevant motivation and context.
+List any dependencies that are required for this change.
+
+## Put check marks:
+## Have you made changes in [README](https://github.com/codedecks-in/LeetCode-Solutions/blob/master/README.md) file ?
+- [ ] Added problem & solution under correct topic.
+- [ ] Specified Space & Time complexity.
+- [ ] Specified difficulty level, tag & Note(if any).
+
+## How Has This Been Tested?
+
+Please describe the tests that you ran to verify your changes. Please also note any relevant details for your test configuration.
+
+- [ ] Test A
+- [ ] Test B
+
+## Checklist:
+
+- [ ] My code follows the style guidelines of this project
+- [ ] I have performed a self-review of my own code
+- [ ] I have commented my code, particularly in hard-to-understand areas
+- [ ] I have made corresponding changes to the documentation
+- [ ] My changes generate no new warnings
+- [ ] Any dependent changes have been merged and published in downstream modules