Created the LicenseStatus enum

src/main/java/de/licenseapi/entities/LicenseStatus.java

@@ -0,0 +1,25 @@
+package de.licenseapi.entities;
+
+public enum LicenseStatus {
+
+    /**
+     * The provided license key is valid and can be used.
+     */
+    VALID,
+
+    /**
+     * The provided license key is valid, but the license is expired.
+     */
+    EXPIRED,
+
+    /**
+     * The provided license key is not valid.
+     */
+    INVALID,
+
+    /**
+     * The provided license key has reached the maximum amount of uses.
+     */
+    MAX_USES_REACHED
+
+}