Add info about extensions to bug report template

Since it's common to get questions/"issues" pertaining to this and is
important to help diagnose as well.

e.g. #187,
#174,
#136 (comment)

.github/ISSUE_TEMPLATE/bug_report.md

@@ -10,6 +10,13 @@ assignees: ""
 
 A clear and concise description of what the bug is.
 
+Before filing a bug, please confirm that you have:
+
+1. Installed the necessary Tiptap extensions for whatever functionality you are trying to use (e.g. `Color` extension for using the `MenuButtonTextColor`).
+2. Passed the extensions you need to the `extensions` field of `RichTextEditor`/`useEditor`
+
+See [README info here](https://github.com/sjdemartini/mui-tiptap#choosing-your-editor-extensions) for more details.
+
 ### To Reproduce
 
 Please include a CodeSandbox demo of the problem if possible. (You can fork [this CodeSandbox](https://codesandbox.io/p/sandbox/mui-tiptap-demo-3zl2l6).)
@@ -28,13 +35,18 @@ A clear and concise description of what you expected to happen.
 
 If applicable, add screenshots to help explain your problem.
 
-### System (please complete the following information):
+### System (please complete the following information)
 
 - mui-tiptap version: [e.g. 1.1.0]
 - tiptap version: [e.g. 2.0.0]
 - Browser: [e.g. Chrome, Firefox]
 - Node version: [e.g 16.4.2]
 - OS: [e.g. Ubuntu 22.04, macOS 11.4]
+- Copy-paste your `extensions` array used for the editor:
+
+```tsx
+
+```
 
 ### Additional context