add --cores

Author: johanneskoester

.github/workflows/main.yml

@@ -15,3 +15,4 @@ jobs:
       with:
         directory: .test
         snakefile: .test/Snakefile
+        args: "--cores 1"

README.md

@@ -34,6 +34,6 @@ Preliminary commands to run before the workflow execution.
   with:
     directory: '.test'
     snakefile: 'workflow/Snakefile'
-    args: '--use-conda'
+    args: '--cores 1 --use-conda'
     stagein: '' # additional preliminary commands to run (can be multiline)
 ```