added url params on home page to auto download content

created chrome extension to facilitate this feature

chrome-extension/options.js

@@ -0,0 +1,31 @@
+// Saves options to chrome.storage
+function save_options() {
+    var frontend_url = document.getElementById('frontend_url').value;
+    var audio_only = document.getElementById('audio_only').checked;
+    chrome.storage.sync.set({
+        frontend_url: frontend_url,
+        audio_only: audio_only
+    }, function() {
+      // Update status to let user know options were saved.
+      var status = document.getElementById('status');
+      status.textContent = 'Options saved.';
+      setTimeout(function() {
+        status.textContent = '';
+      }, 750);
+    });
+  }
+  
+  // Restores select box and checkbox state using the preferences
+  // stored in chrome.storage.
+  function restore_options() {
+    chrome.storage.sync.get({
+        frontend_url: 'http://localhost',
+        audio_only: false
+    }, function(items) {
+      document.getElementById('frontend_url').value = items.frontend_url;
+      document.getElementById('audio_only').checked = items.audio_only;
+    });
+  }
+  document.addEventListener('DOMContentLoaded', restore_options);
+  document.getElementById('save').addEventListener('click',
+      save_options);