Update README and github template (#186)

.github/pull_request_template.md

@@ -1,29 +1,17 @@
 ### What problem does this PR solve?
 
-Add corresponding issue link with summary if exists -->
+_Briefly describe what this PR aims to solve. Include background context that will help reviewers understand the purpose of the PR._
 
-Issue link:
+Issue link:#[Link the issue here]
 
-### What is changed and how it works?
+### Type of change
 
-### Code changes
-
-- [ ] Has Code change
-- [ ] Has CI related scripts change
-
-### Check List
-
-Tests <!-- At least one of them must be included. -->
-
-- [ ] Unit test
-- [ ] Integration test
-- [ ] Manual test (add detailed scripts or steps below)
-- [ ] No code
-
-Side effects
-
-- [ ] Performance regression: Consumes more CPU
-- [ ] Performance regression: Consumes more Memory
-- [ ] Breaking backward compatibility
-
-### Note for reviewer
+- [ ] Bug Fix (non-breaking change which fixes an issue)
+- [ ] New Feature (non-breaking change which adds functionality)
+- [ ] Breaking Change (fix or feature that could cause existing functionality not to work as expected)
+- [ ] Documentation Update
+- [ ] Refactoring
+- [ ] Performance Improvement
+- [ ] Test cases
+- [ ] Python SDK impacted, Need to update PyPI
+- [ ] Other (please describe):