Update issue templates (#701)

* Update issue templates

Added templates for bug reports and feature requests

* Update bug_report.md

rephrasing

* Update bug_report.md

changed bold headers to h3/h4 sections; 
added section on providing a sample application; 
note about private information

Author: littleaj

.github/ISSUE_TEMPLATE/bug_report.md

@@ -0,0 +1,33 @@
+---
+name: Bug report
+about: Create a report to help us improve
+
+---
+
+### Expected behavior
+Describe what you expected to happen.
+
+### Actual behavior
+Describe what actually happened that was unexpected.
+
+### To Reproduce
+Steps to reproduce the behavior:
+
+#### Sample Application
+If applicable, provide a sample application which reproduces the issue.
+
+### System information
+Please provide the following information:
+ - SDK Version: 
+ - OS type and version:
+ - Application Server type and version (if applicable):
+ - Using spring-boot?
+ - Additional relevant libraries (with version, if applicable):
+
+### Logs
+[Turn on SDK logs](https://docs.microsoft.com/en-us/azure/application-insights/app-insights-java-troubleshoot#debug-data-from-the-sdk) and attach/paste them to the issue. If using an application server, also attach any relevant server logs.
+
+_Be sure to remove any private information from the logs before posting!_
+
+### Screenshots
+If applicable, add screenshots to help explain your problem.

.github/ISSUE_TEMPLATE/feature_request.md

@@ -0,0 +1,17 @@
+---
+name: Feature request
+about: Suggest an idea for this project
+
+---
+
+**Is your feature request related to a problem? Please describe.**
+Describe what the problem you have encountered; e.g I'm always frustrated when [...]
+
+**Describe the solution you would like**
+Describe what you want to happen.
+
+**Describe alternatives you have considered**
+Describe any alternative solutions or features you've considered.
+
+**Additional context**
+Add any other context or screenshots about the feature request here.