Add isTest to settings and ability to redirect to test env. Add rome/imex specific builds.

src/preload/index.ts

@@ -1,9 +1,16 @@
 import { contextBridge } from "electron";
 import { electronAPI } from "@electron-toolkit/preload";
 import "electron-log/preload";
+import store from "../main/store/store";
 
 // Custom APIs for renderer
-const api = {};
+interface Api {
+  isTest: () => boolean;
+}
+
+const api: Api = {
+  isTest: (): boolean => store.get("app.isTest") || false,
+};
 
 // Use `contextBridge` APIs to expose Electron APIs to
 // renderer only if context isolation is enabled, otherwise