Added option for sending message as monospace message

src/main/java/de/svenkubiak/jpushover/enums/Param.java

@@ -8,23 +8,24 @@ package de.svenkubiak.jpushover.enums;
 public enum Param {
     ATTACHMENT("attachment"),
     CALLBACK("callback"),
+    COUNT("count"),
     DEVICE("device"),
     EXPIRE("expire"),
     HTML("html"),
     MESSAGE("message"),
+    MONOSPACE("monospace"),
+    PERCENT("percent"),
     PRIORITY("priority"),
     RETRY("retry"),
     SOUND("sound"),
+    SUBTEXT("subtext"),
+    TEXT("text"),
     TIMESTAMP("timestamp"),
     TITLE("title"),
     TOKEN("token"),
     URL("url"),
     URLTITLE("urltitle"),
-    USER("user"),
-    TEXT("text"),
-    SUBTEXT("subtext"),
-    COUNT("count"),
-    PERCENT("percent");
+    USER("user");
 
     private final String value;