doc: update bug_report.md

Author: l-lin

.github/ISSUE_TEMPLATE/bug_report.md

@@ -1,42 +1,57 @@
 ---
-name: Bug report
+name: "\U0001F41E Bug report"
 about: Create a report to help us improve
 title: ''
 labels: bug
 assignees: ''
-
 ---
 
-> **Note:** We offer assistance for Angular >=8 projects only. Do not open an issue if this is regarding AngularJS issue.
+<!--
+Note: We offer assistance for Angular >=8 projects only. Do not open an issue if this is regarding AngularJS issue.
+-->
 
-**Describe the bug**
+# :beetle: bug report
 
 A clear and concise description of what the bug is.
 
-**To Reproduce**
+## :microscope: Minimal Reproduction
+
+<!--
+Please create and share minimal reproduction of the issue starting with this template: https://stackblitz.com/fork/angular-datatables-gitter
+-->
+
+<!--
+If StackBlitz is not suitable for reproduction of your issue, please create a minimal GitHub repository with the reproduction of the issue.
+A good way to make a minimal reproduction is to create a new app via `ng new repro-app` and add the minimum possible code to show the problem.
+Share the link to the repo below along with step-by-step instructions to reproduce the problem, as well as expected and actual behavior.
+
+Issues that don't have enough info and can't be reproduced will be closed.
 
-Steps to reproduce the behavior:
-1. Go to '...'
-2. Click on '....'
-3. Scroll down to '....'
-4. See error
+You can read more about issue submission guidelines here: https://github.com/l-lin/angular-datatables/blob/master/.github/CONTRIBUTING.md#got-a-question-or-problem
+-->
 
-**Expected behavior**
+## :8ball: Expected behavior
+
+<pre><code>
+<!-- If the issue is accompanied by an exception or an error, please share it below: -->
+
+</code></pre>
 
 A clear and concise description of what you expected to happen.
 
-**Screenshots**
+## :camera: Screenshots
+
+<!-- If applicable, add screenshots to help explain your problem. -->
 
-If applicable, add screenshots to help explain your problem.
+## :globe_with_meridians: Your Environment
 
-**Environment**
 - node version: 
 - angular version: 
 - angular-cli version: 
 - jquery version: 
 - datatables version: 
 - angular-datatables version: 
 
-**Additional context**
+## :memo: Additional context
 
-Add any other context about the problem here.
+<!-- Add any other context about the problem here. -->