Fix template problem (#405)

Author: popovicsandras

api-codegen/src/main/resources/api-code-gen/apis.mustache

@@ -10,5 +10,9 @@ import { {{ classname }} } from './{{ classFilename }}';
 export * from './{{ classFilename }}Interface'
 {{/withInterfaces}}
 {{/apis}}
-export const APIS = {{{#apis}}{{#operations}}{{ classname }}{{/operations}}:{{#apis}}{{#operations}}{{ classname }}{{/operations}}{{^-last}}, {{/-last}}{{/apis}}};
+export const APIS = {
+    {{#apis}}
+    {{#operations}}{{ classname }}{{/operations}}: {{#operations}}{{ classname }}{{/operations}}{{^-last}},{{/-last}}
+    {{/apis}}
+};
 {{/apiInfo}}