Fix GET,HEAD,DELETE 404 bug

client/store.js

@@ -22,7 +22,7 @@ const queries = {
 };
 
 const resources = {};
-for (let r of ["devices", "faults"])
+for (let r of ["devices", "faults", "files"])
   resources[r] = {
     objects: new Map(),
     count: new Map(),