Add backtick-wrapper to bug issue-template (#492)

Author: jgollenz

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -36,7 +36,13 @@ body:
       required: true
     attributes:
       label: Minimal init.lua
-      description: Please provide minimal init.lua to reproduce the issue. You can find the template here https://github.com/nvim-orgmode/orgmode/blob/master/scripts/minimal_init.lua. Once set up, you can run it with `nvim -u minimal_init.lua`.
+      description: Please provide minimal init.lua to reproduce the issue. You can find the template [here](https://github.com/nvim-orgmode/orgmode/blob/master/scripts/minimal_init.lua). Once set up, you can run it with `nvim -u minimal_init.lua`.
+      value: |
+        ```lua
+
+        -- Enter your minimal_init.lua here
+
+        ```
   - type: textarea
     attributes:
       label: Screenshots and recordings