Rework content commands, add audio player

CHDataManagement/Page Elements/ContentElements/Icons/ContentIcon.swift

@@ -0,0 +1,18 @@
+
+protocol ContentIcon {
+
+    static var name: String { get }
+
+    static var content: String { get }
+}
+
+extension ContentIcon {
+
+    var name: String {
+        Self.name
+    }
+
+    var content: String {
+        Self.content
+    }
+}