feat: [Imagenes]: Añadidos archivos para que los recursos tengan fotos

src/main/java/com/ujaen/tfg/mangaffinity/config/WebConfig.java

+package com.ujaen.tfg.mangaffinity.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class WebConfig implements WebMvcConfigurer {
+
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+        // Usar una ruta relativa para servir archivos estáticos desde la carpeta uploads
+        registry.addResourceHandler("/uploads/**")
+                .addResourceLocations("file:./uploads/");
+    }
+}
+

src/main/java/com/ujaen/tfg/mangaffinity/rest/UploadController.java

+package com.ujaen.tfg.mangaffinity.rest;
+import org.springframework.core.io.Resource;
+import org.springframework.core.io.UrlResource;
+import org.springframework.http.HttpHeaders;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+
+import java.net.MalformedURLException;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+@RestController
+@RequestMapping("/uploads")
+public class UploadController {
+
+    private final Path uploadDir = Paths.get("uploads");
+
+    @GetMapping("/{filename:.+}")
+    public ResponseEntity<Resource> getFile(@PathVariable String filename) {
+        try {
+            Path file = uploadDir.resolve(filename);
+            Resource resource = new UrlResource(file.toUri());
+
+            if (resource.exists() || resource.isReadable()) {
+                String contentType = "application/octet-stream";
+                if (filename.endsWith(".png")) contentType = "image/png";
+                else if (filename.endsWith(".jpg") || filename.endsWith(".jpeg")) contentType = "image/jpeg";
+
+                return ResponseEntity.ok()
+                        .header(HttpHeaders.CONTENT_DISPOSITION, "inline; filename=\"" + resource.getFilename() + "\"")
+                        .header(HttpHeaders.CONTENT_TYPE, contentType)
+                        .body(resource);
+            } else {
+                return ResponseEntity.notFound().build();
+            }
+        } catch (MalformedURLException e) {
+            return ResponseEntity.badRequest().build();
+        }
+    }
+
+
+}