Add missing package-info.java for the settings package

Author: arteymix

src/main/java/ubc/pavlab/rdp/settings/package-info.java

@@ -0,0 +1,7 @@
+/**
+ *
+ */
+@NonNullApi
+package ubc.pavlab.rdp.settings;
+
+import org.springframework.lang.NonNullApi;