feat: find yamls from a dir

src/services/find-oas-from-dir.js

@@ -0,0 +1,24 @@
+import path from 'path';
+import * as fs from 'fs';
+
+export default function fromDir(startPath) {
+  if (!fs.existsSync(startPath)) {
+    console.log("no dir ", startPath);
+    return [];
+  }
+
+  const files = fs.readdirSync(startPath);
+  return files.reduce((acc, file) => {
+    const filename = path.join(startPath, file);
+    const stat = fs.lstatSync(filename);
+    if (stat.isDirectory()) {
+      return [...acc, ...fromDir(filename)]; //recurse
+  } else if (filename.endsWith('.yaml')) {
+      console.log('-- found: ', filename);
+      return [...acc, {
+        filename: file,
+        path: startPath
+      }]
+  };
+  }, []);
+};