refactor(runner): rename preprocessing to runner and update directory structure

libs/config.js

@@ -0,0 +1,9 @@
+import path from 'path'
+import { read } from './yaml.js'
+
+export default function (dirname) {
+    return {
+        basedir: dirname,
+        ...read(path.join(dirname, 'config.yaml'))
+    }
+}