add license headers

common/api/addons/src/main/java/com/dfsek/terra/api/addon/BaseAddon.java

@@ -1,3 +1,10 @@
+/*
+ * Copyright (c) 2020-2021 Polyhedral Development
+ *
+ * The Terra API is licensed under the terms of the MIT License. For more details,
+ * reference the LICENSE file in the common/api directory.
+ */
+
 package com.dfsek.terra.api.addon;
 
 import ca.solostudios.strata.version.Version;

common/api/addons/src/main/java/com/dfsek/terra/api/addon/bootstrap/BootstrapBaseAddon.java

@@ -1,3 +1,10 @@
+/*
+ * Copyright (c) 2020-2021 Polyhedral Development
+ *
+ * The Terra API is licensed under the terms of the MIT License. For more details,
+ * reference the LICENSE file in the common/api directory.
+ */
+
 package com.dfsek.terra.api.addon.bootstrap;
 
 import java.nio.file.Path;
@@ -10,7 +17,7 @@ public interface BootstrapBaseAddon<T extends BaseAddon> extends BaseAddon {
      * Load all the relevant addons in the specified path.
      *
      * @param addonsFolder Path containing addons.
-     * @param parent
+     * @param parent parent class loader
      *
      * @return Loaded addons
      */