added RestConfiguration to fix cors issues.

Author: open-schnick

src/main/java/de/filefighter/rest/config/RestConfiguration.java

@@ -0,0 +1,23 @@
+package de.filefighter.rest.config;
+
+import org.jetbrains.annotations.NotNull;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class RestConfiguration {
+
+    @Bean
+    public WebMvcConfigurer configurer(){
+
+        return new WebMvcConfigurer(){
+            @Override
+            public void addCorsMappings(@NotNull CorsRegistry registry) {
+                registry.addMapping("/*")
+                        .allowedOrigins("*");
+            }
+        };
+    }
+}