Add Api

api/src/main/java/me/lucko/luckperms/LuckPerms.java

@@ -0,0 +1,30 @@
+package me.lucko.luckperms;
+
+import lombok.AccessLevel;
+import lombok.NoArgsConstructor;
+import me.lucko.luckperms.api.LuckPermsApi;
+
+/**
+ * Static access to LuckPerms
+ */
+@NoArgsConstructor(access = AccessLevel.PRIVATE)
+public class LuckPerms {
+
+    private static LuckPermsApi api = null;
+
+    public static LuckPermsApi getApi() {
+        if (api == null) {
+            throw new IllegalStateException("API is not loaded.");
+        }
+        return api;
+    }
+
+    static void registerProvider(LuckPermsApi luckPermsApi) {
+        api = luckPermsApi;
+    }
+
+    static void unregisterProvider() {
+        api = null;
+    }
+
+}