Install Evergreen workflow

Co-authored-by: mrjf <180956+mrjf@users.noreply.github.com>

Author: Copilot

.github/workflows/ci.yml

@@ -5,6 +5,7 @@ on:
     branches: [main, "autoloop/**"]
   pull_request:
     branches: [main]
+  workflow_dispatch:
 
 permissions:
   contents: read