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/domain/User.java

@@ -0,0 +1,59 @@
+package com.mailserver.domain;
+
+import org.springframework.data.annotation.Id;
+import org.springframework.data.relational.core.mapping.Column;
+import org.springframework.data.relational.core.mapping.Table;
+
+import java.time.Instant;
+
+@Table("users")
+public class User {
+
+    @Id
+    private Long id;
+
+    @Column("email")
+    private String email;
+
+    @Column("password")
+    private String password;
+
+    @Column("display_name")
+    private String displayName;
+
+    @Column("quota_bytes")
+    private Long quotaBytes = 1024L * 1024 * 1024;
+
+    @Column("used_bytes")
+    private Long usedBytes = 0L;
+
+    @Column("is_active")
+    private boolean isActive = true;
+
+    @Column("created_at")
+    private Instant createdAt;
+
+    public Long getId() { return id; }
+    public void setId(Long id) { this.id = id; }
+
+    public String getEmail() { return email; }
+    public void setEmail(String email) { this.email = email; }
+
+    public String getPassword() { return password; }
+    public void setPassword(String password) { this.password = password; }
+
+    public String getDisplayName() { return displayName; }
+    public void setDisplayName(String displayName) { this.displayName = displayName; }
+
+    public Long getQuotaBytes() { return quotaBytes; }
+    public void setQuotaBytes(Long quotaBytes) { this.quotaBytes = quotaBytes; }
+
+    public Long getUsedBytes() { return usedBytes; }
+    public void setUsedBytes(Long usedBytes) { this.usedBytes = usedBytes; }
+
+    public boolean isActive() { return isActive; }
+    public void setActive(boolean active) { isActive = active; }
+
+    public Instant getCreatedAt() { return createdAt; }
+    public void setCreatedAt(Instant createdAt) { this.createdAt = createdAt; }
+}