feat: add support for using TLS to connect to Redis

backend/internal/setup/cli.go

@@ -149,6 +149,8 @@ func RunCLI() error {
 		fmt.Println("  Invalid Redis DB. Must be between 0 and 15.")
 	}
 
+	cfg.Redis.EnableTLS = promptConfirm(reader, "Enable Redis TLS?")
+
 	fmt.Println()
 	fmt.Print("Testing Redis connection... ")
 	if err := TestRedisConnection(&cfg.Redis); err != nil {
@@ -205,6 +207,7 @@ func RunCLI() error {
 	fmt.Println("── Configuration Summary ──")
 	fmt.Printf("Database: %s@%s:%d/%s\n", cfg.Database.User, cfg.Database.Host, cfg.Database.Port, cfg.Database.DBName)
 	fmt.Printf("Redis: %s:%d\n", cfg.Redis.Host, cfg.Redis.Port)
+	fmt.Printf("Redis TLS: %s\n", map[bool]string{true: "enabled", false: "disabled"}[cfg.Redis.EnableTLS])
 	fmt.Printf("Admin: %s\n", cfg.Admin.Email)
 	fmt.Printf("Server: :%d\n", cfg.Server.Port)
 	fmt.Println()