Extend API

app/Repositories/Administration/Bill/BillRepositoryInterface.php

@@ -32,11 +32,22 @@ use Illuminate\Support\Collection;
  */
 interface BillRepositoryInterface
 {
+    /**
+     * TODO duplicate of other repos
+     * Add correct order to bills.
+     */
+    public function correctOrder(): void;
+
     /**
      * @return Collection
      */
     public function getActiveBills(): Collection;
 
+    /**
+     * @return Collection
+     */
+    public function getBills(): Collection;
+
     /**
      * Between start and end, tells you on which date(s) the bill is expected to hit.
      *