Improve issue template

- Remove unnecessary markdown spacer
- Remove inappropriate render directives
- Add placeholders to help formatting output
- Suggest backing up reports with failing tests

Author: jeromegamez

.github/ISSUE_TEMPLATE/bug-report.yml

@@ -10,13 +10,12 @@ body:
       value: |
         ### Important note
 
-        This issue form is for reporting bugs only. Please provide as much information as possible. If a problem cannot be reproduced or understood, your issue may be closed as non-actionable.
+        This issue form is for reporting bugs only. Please provide as much information as possible. If a problem cannot
+        be reproduced or understood, your issue may be closed as non-actionable.
 
-        This project is covered with unit- and integration tests and successfully used in many projects. If an error seemingly related to this library occurs in your project, it's most likely not because of this library.
-  - type: markdown
-    attributes:
-      value: |
-        ###
+        This project is covered with unit- and integration tests and successfully used in many projects. If an error
+        related to this library occurs in your project, please create a pull request with a failing test to prove
+        the error falls in scope of the library.
   - type: textarea
     attributes:
       label: Describe the bug
@@ -29,7 +28,11 @@ body:
       description: |
         You can generate a list with `composer show`.
         This can help with finding outdated dependencies or known conflicts.
-      render: json
+        Please make sure to wrap the output in code fences for better readability
+      value: |
+        ```
+        # Paste output here
+        ```
     validations:
       required: true
   - type: textarea
@@ -38,7 +41,10 @@ body:
       description: |
         You can generate a list with `composer show --platform`.
         This can help with finding missing, outdated or conflicting PHP versions and extensions.
-      render: shell
+      value: |
+        ```
+        # Paste output here
+        ```
     validations:
       required: true
   - type: textarea
@@ -68,10 +74,12 @@ body:
       label: Error message/Stack trace
       description: |
         If a stack trace is available, please include it in full, or type `-`
-      render: shell
+      value: |
+        ```
+        # Paste output here
+        ```
     validations:
       required: true
-
   - type: textarea
     attributes:
       label: Additional information