feat: Added PR template

sync-root/.github/PULL_REQUEST_TEMPLATE/pull_request_template.md

@@ -0,0 +1,8 @@
+**:bulb: Summary of the pull request**
+<!-- Ex. I have added extra variables to be able to deploy [...] -->
+
+**:hammer_and_wrench: Implementation Details**
+<!-- A clear and concise description of what the PR entails. We cannot guess what you mean by a code change. -->
+
+**:pencil: Additional Information**
+<!-- If the proposed changes entail any design decisions, please enter any background or references such as Confluence, Microsoft Docs, etc. that may help with reviewing the PR. -->