Update bug_report.md

Author: aeagle

.github/ISSUE_TEMPLATE/bug_report.md

@@ -23,6 +23,10 @@ A clear and concise description of what you expected to happen.
 **Screenshots**
 If applicable, add screenshots to help explain your problem.
 
+**Package versions (please complete the following information**
+ - React version: [e.g. 16.13.1]
+ - React spaces version: [e.g. 0.1.29]
+
 **Desktop (please complete the following information):**
  - OS: [e.g. iOS]
  - Browser [e.g. chrome, safari]
@@ -33,6 +37,9 @@ If applicable, add screenshots to help explain your problem.
  - OS: [e.g. iOS8.1]
  - Browser [e.g. stock browser, safari]
  - Version [e.g. 22]
+ 
+**Code sandbox link**
+If possible, provide a code sandbox https://codesandbox.io/ link showing highlighted issue in isolation.
 
 **Additional context**
 Add any other context about the problem here.