Allow public access to room image files

src/main/kotlin/com/android/trisolarisserver/security/SecurityConfig.kt

@@ -26,6 +26,7 @@ class SecurityConfig(
             .sessionManagement { it.sessionCreationPolicy(SessionCreationPolicy.STATELESS) }
             .authorizeHttpRequests {
                 it.requestMatchers("/", "/health", "/auth/**").permitAll()
+                it.requestMatchers("/properties/*/rooms/*/images/*/file").permitAll()
                 it.anyRequest().authenticated()
             }
             .exceptionHandling {