refactor: harmonize method names

examples/neopattern/main.cpp

@@ -46,7 +46,7 @@ void setup() {
     
     // Create and add custom service
     neoPatternService = new NeoPatternService(spore.getContext(), spore.getTaskManager(), config);
-    spore.addService(neoPatternService);
+    spore.registerService(neoPatternService);
     
     // Start the API server and complete initialization
     spore.begin();