Update issue/pr templates (#1165)

* update issue template to prepare for Beta-2

* update PR template

* improve consistency

* address review comments

Co-authored-by: Cijo Thomas <cithomas@microsoft.com>

.github/ISSUE_TEMPLATE/bug_report.md

@@ -4,21 +4,41 @@ about: Create a report to help us improve
 labels: bug
 ---
 
-**Describe your environment.** Describe any aspect of your environment relevant to the problem:
+# Bug Report
-* SDK version: (nuget versions of the all the relevant packages)
-* .NET runtime version (.NET or .NET Core, TargetFramework in the .csproj file): 
-* Platform and OS version:
 
-If you're reporting a problem with a specific version of a library in this repo, please check whether the problem has been fixed on master.
+List of [NuGet packages](https://www.nuget.org/profiles/OpenTelemetry) and
+version that you are using (e.g. `OpenTelemetry 0.4.0-beta.2`):
 
-**Steps to reproduce.**
+*
-Describe exactly how to reproduce the error. Include a code sample if applicable.
+
+Runtime version (e.g. `net461`, `net48`, `netcoreapp2.1`, `netcoreapp3.1`, etc.
+You can find this information from the `*.csproj` file):
+
+*
+
+## Symptom
+
+A clear and concise description of what the bug is.
 
 **What is the expected behavior?**
+
 What did you expect to see?
 
 **What is the actual behavior?**
+
 What did you see instead?
 
-**Additional context.**
+## Reproduce
+
+Create a self-contained project using the template of your choice, apply the
+minimum required code to result in the issue you're observing.
+
+We will close this issue if:
+
+* The repro project you share with us is complex. We can't investigate custom
+  projects, so don't point us to such, please.
+* If we can not reproduce the behavior you're reporting.
+
+## Additional Context
+
 Add any other context about the problem here.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -4,16 +4,26 @@ about: Suggest an idea for this project
 labels: enhancement
 ---
 
-Before opening a feature request against this repo, consider whether the feature should/could be implemented in the [other OpenTelemetry client libraries](https://github.com/open-telemetry/). If so, please [open an issue on opentelemetry-specification](https://github.com/open-telemetry/opentelemetry-specification/issues/new) first.
+# Feature Request
+
+Before opening a feature request against this repo, consider whether the feature
+should/could be implemented in the [other OpenTelemetry client
+libraries](https://github.com/open-telemetry/). If so, please [open an issue on
+opentelemetry-specification](https://github.com/open-telemetry/opentelemetry-specification/issues/new)
+first.
 
 **Is your feature request related to a problem?**
+
 If so, provide a concise description of the problem.
 
-**Describe the solution you'd like.**
+**Describe the solution you'd like:**
+
 What do you want to happen instead? What is the expected behavior?
 
 **Describe alternatives you've considered.**
+
 Which alternative solutions or features have you considered?
 
-**Additional context.**
+## Additional Context
+
 Add any other context about the feature request here.

.github/ISSUE_TEMPLATE/question.md

@@ -4,10 +4,17 @@ about: Create a question to help us improve our knowledgebase and documentation
 labels: question
 ---
 
-**Describe your environment.** Describe any aspect of your environment relevant to the question:
+# Question
+
+**Describe your environment.**
+
+Describe any aspect of your environment relevant to the question.
 
 **What are you trying to achieve?**
+
 What did you expect to see?
 
-**Additional context.**
+## Additional Context
-Add any other context about the problem here. If you followed an existing documentation, please share the link to it.
+
+Add any other context about the problem here. If you followed an existing
+documentation, please share the link to it.

.github/PULL_REQUEST_TEMPLATE.md

@@ -2,10 +2,10 @@ Fixes #.
 
 ## Changes
 
-Please provide a brief description of the changes here. Update the
+Please provide a brief description of the changes here.
-`CHANGELOG.md` for non-trivial changes.
 
 For significant contributions please make sure you have completed the following items:
 
+* [ ] `CHANGELOG.md` updated for non-trivial changes
 * [ ] Design discussion issue #
 * [ ] Changes in public API reviewed