Format SaaS module Java files

Apply consistent formatting to SaaS repository and configuration classes:
- Reflow JavaDoc comment in SaasJpaConfig for line length
- Add blank lines after import statements in repository interfaces (Google Java Format style)

app/saas/src/main/java/stirling/software/saas/config/SaasJpaConfig.java

@@ -7,8 +7,8 @@ import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
 
 /**
  * Registers the {@code :saas} module's entities and repositories with Spring Data JPA. Any new
- * package holding repository interfaces or {@code @Entity} classes must be added here, or the
- * beans won't wire at startup.
+ * package holding repository interfaces or {@code @Entity} classes must be added here, or the beans
+ * won't wire at startup.
  */
 @Configuration
 @Profile("saas")

app/saas/src/main/java/stirling/software/saas/payg/repository/WalletPolicyRepository.java

@@ -3,6 +3,7 @@ package stirling.software.saas.payg.repository;
 import java.util.Optional;
 
 import org.springframework.data.jpa.repository.JpaRepository;
+
 import stirling.software.saas.payg.wallet.WalletPolicy;
 
 public interface WalletPolicyRepository extends JpaRepository<WalletPolicy, Long> {

app/saas/src/main/java/stirling/software/saas/repository/SupabaseUserRepository.java

@@ -9,6 +9,7 @@ import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
+
 import stirling.software.saas.model.SupabaseUser;
 
 public interface SupabaseUserRepository extends JpaRepository<SupabaseUser, UUID> {

app/saas/src/main/java/stirling/software/saas/repository/TeamInvitationRepository.java

@@ -8,6 +8,7 @@ import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.data.jpa.repository.Modifying;
 import org.springframework.data.jpa.repository.Query;
 import org.springframework.data.repository.query.Param;
+
 import stirling.software.common.model.enumeration.InvitationStatus;
 import stirling.software.saas.model.TeamInvitation;