[Added] Most of the frontend, split up backend services

backend/src/main/java/com/ninjaws/quiz/config/WebConfig.java

@@ -0,0 +1,20 @@
+package com.ninjaws.quiz.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("/**") // Allow all endpoints
+                .allowedOrigins("http://localhost:4200") // Allow specific origin
+                .allowedMethods("GET", "POST", "PUT", "DELETE", "OPTIONS") // Allow specific methods
+                .allowedHeaders("*") // Allow all headers
+                .allowCredentials(true); // Allow credentials
+    }
+}