Move early parts of matrix.to bits into its own class

src/utils/permalinks/SpecPermalinks.js

@@ -0,0 +1,28 @@
+/*
+Copyright 2019 The Matrix.org Foundation C.I.C.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+export const host = "matrix.to";
+export const baseUrl = `https://${host}`;
+
+/**
+ * Generates matrix.to permalinks
+ */
+export default class SpecPermalinks {
+    constructor() {
+    }
+
+    // TODO: The class
+}