Initial commit: mail-server with WebFlux backend and Angular v22 Synthwave frontend

Co-authored-by: Junie <junie@jetbrains.com>

backend/src/main/java/com/mailserver/config/JwtConfig.java

@@ -0,0 +1,18 @@
+package com.mailserver.config;
+
+import com.mailserver.util.JwtUtils;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class JwtConfig {
+
+    @Value("${jwt.secret:MailServerSecretKeyForJWTTokenGenerationMustBeLongEnough2024!}")
+    private String jwtSecret;
+
+    @Bean
+    public JwtUtils jwtUtils() {
+        return new JwtUtils(jwtSecret);
+    }
+}