Initial work on Shares

ui/src/config.js

@@ -28,6 +28,8 @@ const defaultConfig = {
   enableCoverAnimation: true,
   devShowArtistPage: true,
   enableReplayGain: true,
+  shareBaseUrl: '/s',
+  publicBaseUrl: '/p',
 }
 
 let config
@@ -42,4 +44,12 @@ try {
   config = defaultConfig
 }
 
+export let shareInfo
+
+try {
+  shareInfo = JSON.parse(window.__SHARE_INFO__)
+} catch (e) {
+  shareInfo = null
+}
+
 export default config