Add feature-request issue template (MarkBind#951)

.github/ISSUE_TEMPLATE → .github/ISSUE_TEMPLATE/bug-report.md

@@ -1,3 +1,13 @@
+---
+name: Bug Report
+about: Something isn't working as expected? Create a report to help us improve.
+labels: "c.Bug :bug:"
+---
+
+<!--
+  Before opening a new issue, please search existing issues:  https://github.com/MarkBind/markbind/issues
+-->
+
 **Tell us about your environment**
 
 * **MarkBind Version:**

.github/ISSUE_TEMPLATE/feature-request.md

@@ -0,0 +1,43 @@
+---
+name: Feature Request
+about: Suggest a new idea/feature for MarkBind
+labels: "c.Feature :rocket:"
+---
+
+<!--
+  Before opening a new issue, please search existing issues:  https://github.com/MarkBind/markbind/issues
+-->
+
+**Is your request related to a problem?**
+
+<!--
+  Provide a clear and concise description of what the problem is.
+  Ex. I have an issue when [...]
+-->
+
+(Write your answer here.)
+
+**Describe the solution you'd like**
+
+<!--
+  Provide a clear and concise description of what you want to happen.
+-->
+
+(Describe your proposed solution here.)
+
+**Describe alternatives you've considered**
+
+<!--
+  Let us know about other solutions you've tried or researched.
+-->
+
+(Write your answer here.)
+
+**Additional context**
+
+<!--
+  Is there anything else you can add about the proposal?
+  You might want to link to related issues here if you haven't already.
+-->
+
+(Write your answer here.)