Added webconfig, to disable cors.

00-backend/src/main/java/de/htwsaar/webshop/config/WebConfig.java

@@ -0,0 +1,16 @@
+package de.htwsaar.webshop.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.EnableWebMvc;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+@EnableWebMvc
+public class WebConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/**");
+    }
+}