Add register child function and fix whitespace

src/specificClass.js

@@ -10,6 +10,14 @@ class Settler {
     this.measurements = new MeasurementContainer();
     this.childRegistrationUtils = new childRegistrationUtils(this); // Child registration utility
   }
+
+  registerChild(child, softwareType) {
+    switch (softwareType) {
+
+      default:
+        this.logger.error(`Unrecognized softwareType: ${softwareType}`);
+    }
+  }
 }
 
 module.exports = { Settler };