Adds monster meta (size, type, subtype/tag, and alignment) to monster cards.

app/src/main/java/com/majinnaibu/monstercards/helpers/StringHelper.java

@@ -0,0 +1,16 @@
+package com.majinnaibu.monstercards.helpers;
+
+@SuppressWarnings({"BooleanMethodIsAlwaysInverted", "RedundantIfStatement"})
+public final class StringHelper {
+    public static boolean isNullOrEmpty(CharSequence value) {
+        if (value == null) {
+            return true;
+        }
+
+        if ("".contentEquals(value)) {
+            return true;
+        }
+
+        return false;
+    }
+}