Add single file audio player, introduce blocks

CHDataManagement/Views/Settings/SettingsSection.swift

@@ -12,6 +12,8 @@ enum SettingsSection: String {
 
     case tagOverview = "Tag Overview"
 
+    case audioPlayer = "Audio Player"
+
 }
 
 extension SettingsSection {
@@ -23,6 +25,7 @@ extension SettingsSection {
         case .postFeed: return .rectangleGrid1x2
         case .pages: return .docRichtext
         case .tagOverview: return .tag
+        case .audioPlayer: return .waveform
         }
     }
 }