can now export maps of a bs version

src/shared/models/ipc/index.ts

@@ -1,2 +1,3 @@
 export { IpcRequest } from "./ipc-request.interface"
-export { IpcResponse } from "./ipc-response.interface"
+export { IpcResponse } from "./ipc-response.interface"
+export { OpenSaveDialogOption } from "../os/dialog.model"

src/shared/models/maps/export-version-maps.model.ts

@@ -0,0 +1,3 @@
+import { BSVersion } from "shared/bs-version.interface";
+
+export interface ExportVersionMapsOption {version: BSVersion, path: string};

src/shared/models/os/dialog.model.ts

@@ -0,0 +1,4 @@
+export interface OpenSaveDialogOption {
+    filename?: string,
+    filters?: Electron.FileFilter[]
+}