chore: update issue and PR templates to use comments to hide instruct…

…ions in the frontend

.github/ISSUE_TEMPLATE.md

@@ -1,14 +1,17 @@
+<!--
 Your issue may already be reported!
 Please search on the [issue tracker](https://github.com/Unitech/pm2/search?type=Issues) before creating one.
+-->
 
 ## What's going wrong?
 
 ## How could we reproduce this issue?
 
 ## Supporting information
 
+<!--
 Please run the following command (available on PM2 >= 2.6)
-
+-->
 ```
 $ pm2 report
 ```

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,5 +1,6 @@
+<!--
 Please always submit pull requests on the development branch.
-
+-->
 | Q             | A
 | ------------- | ---
 | Bug fix?      | yes/no
@@ -10,5 +11,6 @@ Please always submit pull requests on the development branch.
 | Fixed tickets | #1234, #5678
 | License       | MIT
 | Doc PR        | https://github.com/pm2-hive/pm2-hive.github.io/pulls
-
+<!--
 *Please update this template with something that matches your PR*
+-->