refactor(backend): rename OpenFlare directory to lowercase openflare

backend/openflare/plugins/server/kernel/model/openflare_acme_account.go

@@ -0,0 +1,23 @@
+// Copyright 2026 Arctel.net
+// SPDX-License-Identifier: Apache-2.0
+
+package model
+
+import (
+	"time"
+)
+
+// AcmeAccount OpenFlare ACME 账号实体。
+type AcmeAccount struct {
+	ID         uint      `json:"id" gorm:"primaryKey;autoIncrement"`
+	Email      string    `json:"email" gorm:"size:255"`
+	URL        string    `json:"url" gorm:"size:255"`
+	PrivateKey string    `json:"-" gorm:"type:text;not null"`
+	CreatedAt  time.Time `json:"created_at" gorm:"autoCreateTime"`
+	UpdatedAt  time.Time `json:"updated_at" gorm:"autoUpdateTime"`
+}
+
+// TableName 表名。
+func (AcmeAccount) TableName() string {
+	return "of_acme_accounts"
+}