Simplify Icon usage, add names

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

@@ -1,18 +1,35 @@
 
 protocol ContentIcon {
 
-    static var name: String { get }
+    static var id: String { get }
+
+    static var attributes: String { get }
 
     static var content: String { get }
 }
 
 extension ContentIcon {
 
-    var name: String {
-        Self.name
+    var id: String {
+        Self.id
     }
 
     var content: String {
         Self.content
     }
 }
+
+extension ContentIcon {
+
+    static var svgString: String {
+        "<svg id=\(id) \(attributes)>\(content)</svg>"
+    }
+
+    static var usageString: String {
+        "<svg>\(usageContent)</svg>"
+    }
+
+    static var usageContent: String {
+        "<use href='#\(id)'></use>"
+    }
+}