fix manifests url

main.js

@@ -28,7 +28,7 @@ function search_handler(text) {
 
       var p = document.createElement('p')
 
-      let manifest_uri = iiif_url.toString().replace('RECORD_ID', record.id)
+      let manifest_uri = iiif_url.toString().replace('/RECORD_ID', record.id)
       for (var v in viewers) {
         let a = document.createElement('a')
         a.href = viewers[v] + manifest_uri