[addon] adds sorting and limit options

addon/moch/moch.js

@@ -0,0 +1,23 @@
+const realdebrid = require('./realdebrid');
+
+const MOCHS = {
+  'realdebrid': realdebrid
+};
+
+async function applyMochs(streams, config) {
+  if (!streams || !streams.length) {
+    return streams;
+  }
+
+  return Object.keys(config)
+      .filter(configKey => MOCHS[configKey])
+      .reduce(async (streams, moch) => {
+        return await MOCHS[moch].applyMoch(streams, config[moch])
+            .catch(error => {
+              console.warn(error);
+              return streams;
+            });
+      }, streams);
+}
+
+module.exports = applyMochs;