Update issue templates. (#1983)

* Update issue templates.

* Remove obsolete issue template.

Author: lauxjpn

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,31 @@
+---
+name: Bug report
+about: Create a report to help us improve
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Describe the bug**
+A clear and concise description of what the bug is.
+
+**To Reproduce**
+Steps to reproduce the behavior.
+Ideally include a complete source code listing that we can run to reproduce the issue.
+Alternatively, provide a project/solution that we can run.
+In most cases, we need at least a couple of lines of code to reproduce a bug.
+Always post code as text (never as a screenshot).
+
+**Expected behavior**
+In case it is not obvious from the bug description, please provide a clear and concise description of what you expected to happen.
+
+**Technical details (please complete the following information):**
+
+- Database server version: [e.g. MySQL 8.0.41 or MariaDB 11.6.2]
+- Operating system: [e.g. Windows 11 or Ubuntu 22.04.5 LTS]
+- Pomelo.EntityFrameworkCore.MySql version: [e.g. 8.0.3 or 9.0.0-preview.3.efcore.9.0.0]
+- Other technical details: [e.g. ASP.NET Core, AWS Lambda, etc.]
+
+**Additional context**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,20 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+title: ''
+labels: ''
+assignees: ''
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
+
+**Describe the solution you'd like**
+A clear and concise description of what you want to happen.
+
+**Describe alternatives you've considered**
+A clear and concise description of any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.