upd: Add regex, files on Embedded Diagram

upd: for Embedded Diagram, add:
-  `regex`
-  `files`

src/net/sourceforge/plantuml/EmbeddedDiagram.java

@@ -113,6 +113,12 @@ public static String getEmbeddedType(CharSequence cs) {
 		if (s.equals(EMBEDDED_START + "ebnf"))
 			return "ebnf";
 
+		if (s.equals(EMBEDDED_START + "regex"))
+			return "regex";
+
+		if (s.equals(EMBEDDED_START + "files"))
+			return "files";
+
 		return null;
 	}
 
@@ -229,4 +235,4 @@ public List<Neutron> getNeutrons() {
 		return Arrays.asList(Neutron.create(this));
 	}
 
-}
+}