refactor: tidy structure of source files

Fixes #79

src/config/file.ts

@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2019 StApps
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+import {SCLicensePlate} from '../general/namespaces';
+import {SCAppConfiguration} from './app';
+import {SCBackendConfiguration, SCBackendInternalConfiguration} from './backend';
+
+/**
+ * A configuration file that configures app and backend
+ * @validatable
+ */
+export interface SCConfigFile {
+
+  /**
+   * Configuration for the app that is visible to clients
+   */
+  app: SCAppConfiguration;
+
+  /**
+   * Configuration for the backend that is visible to clients
+   */
+  backend: SCBackendConfiguration;
+
+  /**
+   * Configuration that is not visible to clients
+   */
+  internal: SCBackendInternalConfiguration;
+
+  /**
+   * UID of the university, e.g. the license plate
+   */
+  uid: SCLicensePlate;
+}