Added disclaimers for all issue types

.github/ISSUE_TEMPLATE/question.yml

@@ -18,6 +18,16 @@ body:
       - Screenshots are always helpful (just paste any images right here in the question)
       - If you're trying to start a conversation on a topic, consider using [Discussions](https://github.com/pnp/sp-dev-fx-webparts/discussions). We want to close every issue as quickly as possible, but discussions are intended for longer conversations.
 
+
+- type: dropdown
+  id: disclaimer
+  validations:
+    required: true
+  attributes:
+    label: Disclaimer
+    description: I have read and understood the **[support guidelines](https://github.com/pnp/sp-dev-fx-webparts/blob/main/SUPPORT.md)** before submitting this issue. I understand that my issue may be closed if I do not follow the guidelines.
+    options:
+    - "Yes"
 - type: input
   id: sample
   validations:

.github/ISSUE_TEMPLATE/samplerequest.yml

@@ -16,6 +16,15 @@ body:
       - If you have multiple requests submit them separately so we can track resolution.
       - We accept pull requests. If you know how to make it - go ahead! If you're unsure how to do a pull request, consider signing up for a free [Sharing is Caring First-Time Contributor](http://aka.ms/sharing-is-caring#pnp-sic-first-time-contributor) session.
 
+- type: dropdown
+  id: disclaimer
+  validations:
+    required: true
+  attributes:
+    label: Disclaimer
+    description: I have read and understood the **[support guidelines](https://github.com/pnp/sp-dev-fx-webparts/blob/main/SUPPORT.md)** before submitting this issue. I understand that my issue may be closed if I do not follow the guidelines.
+    options:
+    - "Yes"
 - type: textarea
   id: description
   attributes:

.github/ISSUE_TEMPLATE/suggestion.yml

@@ -16,6 +16,15 @@ body:
       - If you have multiple suggestions please submit them separately so we can track resolution.
       - Screenshots are always helpful (just paste any images right here in the suggestion)
 
+- type: dropdown
+  id: disclaimer
+  validations:
+    required: true
+  attributes:
+    label: Disclaimer
+    description: I have read and understood the **[support guidelines](https://github.com/pnp/sp-dev-fx-webparts/blob/main/SUPPORT.md)** before submitting this issue. I understand that my issue may be closed if I do not follow the guidelines.
+    options:
+    - "Yes"
 - type: input
   id: sample
   validations: