Update issue templates

Author: egil

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,40 @@
+---
+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.
+
+**Example:**
+Testing this component:
+
+```cshtml
+Component under test
+```
+
+With this test:
+
+```cshtml
+Unit test in C# or Razor or Snapshot that fails.
+```
+
+Results in this output:
+
+```text
+Message output from running the test.
+```
+
+**Expected behavior:**
+A clear and concise description of what you expected to happen.
+
+**Version info:**
+ - Library version: 
+ - .NET Core/Blazor version:
+
+**Additional context:**
+Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.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.