github: Add AI usage warning to issue, doc and PR templates

- Explain to contributors that though AI use is acceptable they must
  not file unless they can understand and explain their work without AI.

Assisted-by: Viktor Szakats

Ref: https://github.com/curl/curl/discussions/21792

Closes https://github.com/curl/curl/pull/21801

.github/ISSUE_TEMPLATE/bug_report.yml

@@ -15,6 +15,17 @@ body:
 
         **SECURITY RELATED?** Submit here: https://hackerone.com/curl
 
+  - type: markdown
+    attributes:
+      value: "
+        > [!IMPORTANT]
+
+        > If you cannot understand or explain your work without using
+        Artificial Intelligence (AI) then do not file here. Do not paste
+        massive AI generated explanations. We accept the use of AI as long as
+        it is digestible. Please explain your issues or improvements briefly
+        and clearly in your own human voice."
+
   - type: textarea
     id: reproducer
     attributes:

.github/ISSUE_TEMPLATE/docs.yml

@@ -14,6 +14,17 @@ body:
 
         Only file documentation bugs here! Ask questions on the mailing lists https://curl.se/mail/
 
+  - type: markdown
+    attributes:
+      value: "
+        > [!IMPORTANT]
+
+        > If you cannot understand or explain your work without using
+        Artificial Intelligence (AI) then do not file here. Do not paste
+        massive AI generated explanations. We accept the use of AI as long as
+        it is digestible. Please explain your issues or improvements briefly
+        and clearly in your own human voice."
+
   - type: textarea
     id: source
     attributes:

.github/pull_request_template.md

@@ -0,0 +1,8 @@
+<!--
+        IMPORTANT:
+        If you cannot understand or explain your work without using
+        Artificial Intelligence (AI) then do not file here. Do not paste
+        massive AI generated explanations. We accept the use of AI as long as
+        it is digestible. Please explain your issues or improvements briefly
+        and clearly in your own human voice.
+-->

REUSE.toml

@@ -13,6 +13,7 @@ SPDX-PackageDownloadLocation = "https://curl.se/"
 
 [[annotations]]
 path = [
+  ".github/pull_request_template.md",
   "docs/INSTALL",
   "docs/libcurl/symbols-in-versions",
   "docs/options-in-versions",