Update issue templates

Author: GoodManWEN

.github/ISSUE_TEMPLATE/blank-template.md

@@ -0,0 +1,10 @@
+---
+name: Blank template
+about: Describe this issue template's purpose here.
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,28 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: bug
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior.
+
+**Expected behavior**
+A clear and concise description of what you expected to happen.
+
+**Exception traceback**
+The full error traceback info shown when exception raised.
+
+**Platform:**
+ - OS: [e.g. Ubuntu 18.04]
+ - Oracle version: [e.g. 19c]
+ - Python version [e.g. 3.9.1]
+
+**Additional context**
+Add any other context about the problem here.