Update ISSUE_TEMPLATE

.github/ISSUE_TEMPLATE.md

@@ -2,12 +2,12 @@
 READ and FOLLOW next 5 steps, then REMOVE them before posting the issue
 
 1. Follow CONTRIBUTING Guidelines https://github.com/artf/grapesjs/blob/master/CONTRIBUTING.md
-2. Use the GitHub Issues EXCLUSIVELY for BUGS, FEATURE REQUESTS or QUESTIONS
+2. Use the GitHub Issues EXCLUSIVELY for BUGS, FEATURE REQUESTS or QUESTIONS. Prefix the title of the issue with its context, eg. `[Bug]: ....`
 3. Do a quick SEARCH first, to see if someone else didn't open the same issue
 4. DON'T ASK to create examples/code for you, read DOCS and APIs first, then you can post what you have tried (we'd like to see your code) and what you're unable to achieve
-5. All the statements/questions have to be filled/answered, otherwise, the issue might be CLOSED
+5. All relative statements/questions have to be filled/answered, otherwise, the issue might be CLOSED
 
-## For BUGS
+## You're submitting a BUG
   1. Are you using the latest release (older versions are NOT supported)?
       1. If you're not sure, type `grapesjs.version` in console and press ENTER
   1. Are you facing the bug with your local copy of GrapesJS or with the current demo?
@@ -20,3 +20,7 @@ READ and FOLLOW next 5 steps, then REMOVE them before posting the issue
   1. Attach screenshots (using KAP/LICEcap), screencasts or live demo
      1. JSFiddle Starter template https://jsfiddle.net/szLp8h4n
      1. CodeSandbox Starter template https://codesandbox.io/s/1r0w2pk1vl
+
+## You're submitting a FEATURE REQUEST
+  1. Be sure to work on the latest version, as the feature might be already there
+  1. Keep in mind that the feature should be considered valid to use for everyone, not only for your case