Merge pull request #8233 from processing/fix/all-contributors

Add title to CONTRIBUTORS.md

Author: davepagurek

CONTRIBUTORS.md

@@ -1,3 +1,5 @@
+# Contributors
+
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
 <!-- prettier-ignore-start -->
 <!-- markdownlint-disable -->
@@ -1084,4 +1086,4 @@
 <!-- markdownlint-restore -->
 <!-- prettier-ignore-end -->
 
-<!-- ALL-CONTRIBUTORS-LIST:END -->
+<!-- ALL-CONTRIBUTORS-LIST:END -->