Update jsdocs for search podcasts

server/controllers/SearchController.js

@@ -43,14 +43,14 @@ class SearchController {
    */
   async findPodcasts(req, res) {
     const term = req.query.term
-    const country = req.query.country
+    const country = req.query.country || 'us'
     if (!term) {
       Logger.error('[SearchController] Invalid request query param "term" is required')
       return res.status(400).send('Invalid request query param "term" is required')
     }
 
     const results = await PodcastFinder.search(term, {
-      country: country
+      country
     })
     res.json(results)
   }