Style.

src/operations/category.ts

@@ -1,7 +1,7 @@
 // vim: set tw=80 ts=2 sw=2 sts=2 :
 
 export class Category {
-    category: string;
-    expenses: number;
-    revenues: number;
+  category: string;
+  expenses: number;
+  revenues: number;
 }