[CREATE] Configuración de API agregada

src/main/java/pe/edu/sacooliveros/trismegisto/mongo/api/api/ApplicationConfig.java

+package pe.edu.sacooliveros.trismegisto.mongo.api.api;
+
+import java.util.HashSet;
+import java.util.Set;
+import javax.ws.rs.core.Application;
+import org.jboss.resteasy.plugins.interceptors.CorsFilter;
+
+@javax.ws.rs.ApplicationPath("/api/v1")
+public class ApplicationConfig extends Application {
+
+    private final Set<Object> singletons = new HashSet<>();
+    private final HashSet<Class<?>> classes = new HashSet<>();
+
+    public ApplicationConfig() {
+        CorsFilter corsFilter = new CorsFilter();
+        corsFilter.getAllowedOrigins().add("*");
+        corsFilter.setAllowedMethods("OPTIONS, GET, POST, DELETE, PUT, PATCH");
+        singletons.add(corsFilter);
+    }
+
+    @Override
+    public Set<Object> getSingletons() {
+        return singletons;
+    }
+
+    @Override
+    public HashSet<Class<?>> getClasses() {
+        return classes;
+    }
+
+}