indentation on workflow file

Author: mountainMath

.github/workflows/R-CMD-check.yaml

@@ -1,12 +1,11 @@
 # Workflow derived from https://github.com/r-lib/actions/tree/v2/examples
 # Need help debugging build failures? Start at https://github.com/r-lib/actions#where-to-find-help
-
 on:
   push:
     branches: [main, master]
   pull_request:
-     branches: [main, master]
- schedule:
+    branches: [main, master]
+  schedule:
     - cron: "15 15 * * *"
 
 name: R-CMD-check