Add event service, caddy test domain

Signed-off-by: Asai Neko <sugar@sne.moe>

config/types.go

@@ -50,7 +50,8 @@ type secrets struct {
 }
 
 type ttl struct {
-	MagicLinkTTL string `yaml:"magic_link_ttl"`
-	JwtTTL       string `yaml:"jwt_ttl"`
-	RefreshTTL   string `yaml:"refresh_ttl"`
+	MagicLinkTTL   string `yaml:"magic_link_ttl"`
+	JwtTTL         string `yaml:"jwt_ttl"`
+	RefreshTTL     string `yaml:"refresh_ttl"`
+	CheckinCodeTTL string `yaml:"checkin_code_ttl"`
 }