[web] Add lyrics player to the webinterface

Update icons.js
Add icons in alphabetical order.
Change comment to remove reference to external website
Remove extra line feeds

Co-Authored-by: Alain Nussbaumer <alain.nussbaumer@alleluia.ch>

web-src/src/icons.js

@@ -45,6 +45,8 @@ import {
   mdiRepeatOnce,
   mdiRewind10,
   mdiRss,
+  mdiScriptTextOutline,
+  mdiScriptTextPlay,
   mdiServer,
   mdiShuffle,
   mdiShuffleDisabled,
@@ -107,6 +109,8 @@ export const icons = {
   mdiRewind10,
   mdiRss,
   mdiServer,
+  mdiScriptTextOutline,
+  mdiScriptTextPlay,
   mdiShuffle,
   mdiShuffleDisabled,
   mdiSkipBackward,