Update issue templates

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,7 +1,7 @@
 ---
 name: Bug report
 about: Create a bug report to help us improve
-title: ''
+title: "[Bug] Summarize the bug here"
 labels: bug
 assignees: taurusxin
 

.github/ISSUE_TEMPLATE/feature_request.md

@@ -1,7 +1,7 @@
 ---
 name: Feature request
 about: Suggest an idea for this project
-title: ''
+title: "[Feature] Summarize new feature here"
 labels: ''
 assignees: ''