fix(package): fix header levels and add missing description

.github/ISSUE_TEMPLATE/bug_report.md

@@ -18,16 +18,18 @@ labels: 'bug'
 <!--- A set of specific instructions to reproduce the bug. Include code, if relevant -->
 
 
-### Link to online environment
+## Link to online environment
 <!--- Please provide a link to Stackblitz or similar tool that allows us to reproduce your error in a preconfigured online environment -->
 
 <!--- If you provided a link to Stackblitz or similar, you can ignore the remaining fields. 
 Otherwise, please provide the following information -->
 
-### Manifest File That Generated the Error
+## Manifest File That Generated the Error
 
-### Links to Any Additional Code
+<!--- Provide the manifest file that you ran that generated the error-->
+
+## Links to Any Additional Code
 <!--- E.g. your plugin code, it must be available online -->
 
-### Runtime Info
+## Runtime Info
 <!--- Such as OS, node version, package.json, IF version -->