Add metrics for api version

pom.xml

@@ -5,7 +5,7 @@
     <!-- A good example on why temporary names for project identification shouldn't be used -->
     <groupId>LibsDisguises</groupId>
     <artifactId>LibsDisguises</artifactId>
-    <version>10.0.4</version>
+    <version>10.0.4-SNAPSHOT</version>
 
     <build>
         <defaultGoal>exec:java clean install</defaultGoal>

src/main/java/me/libraryaddict/disguise/utilities/metrics/MetricsInitalizer.java

@@ -74,6 +74,13 @@ public class MetricsInitalizer {
             }
         });
 
+        metrics.addCustomChart(new Metrics.SimplePie("ld_api") {
+            @Override
+            public String getValue() {
+                return "" + LibsPremium.isAPIPlugin();
+            }
+        });
+
         metrics.addCustomChart(new Metrics.SimplePie("grabskin_command") {
             @Override
             public String getValue() {