meta: multiple issue templates (#4519)

* MOAR issue templates

* ...LESS issue templates

.github/ISSUE_TEMPLATE/Feature_request.md

@@ -0,0 +1,50 @@
+---
+name: Feature request
+about: Suggest an new feature or enhancement for this project
+
+---
+
+## Q&A (please complete the following information)
+ - OS: [e.g. macOS]
+ - Browser: [e.g. chrome, safari]
+ - Version: [e.g. 22]
+ - Method of installation: [e.g. npm, dist assets]
+ - Swagger-UI version: [e.g. 3.10.0]
+ - Swagger/OpenAPI version: [e.g. Swagger 2.0, OpenAPI 3.0]
+
+ ### Content & configuration
+
+Swagger/OpenAPI definition:
+ ```yaml
+ # your YAML here
+ ```
+
+ Swagger-UI configuration options:
+ ```js
+ SwaggerUI({
+   // your config options here
+ })
+ ```
+
+ ```
+ ?yourQueryStringConfig
+ ```
+
+
+### Is your feature request related to a problem?
+<!--
+  Please provide a clear and concise description of what the problem is.
+  "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. -->