feat(content): 多语言配置

- 新增碳钢酸洗机组文档，包含详细功能说明
- 新增高效电工钢连续处理机组文档，涵盖产品及工艺信息
- 新增锌铝镁镀层机组文档，补充详细说明
- 新增彩涂机组文档，录入规格参数及节能特性
- 新增不锈钢连续退火酸洗机组文档，撰写设备说明及核心特点
- 新增热镀锌 / 镀铝锌机组文档，完善详细信息及技术参数

content/workshop/en/assembly.mdx

@@ -0,0 +1,9 @@
+---
+title: Assembly Workshop
+desc: An assembly workshop is a specialized facility responsible for the quality inspection, assembly, pre-installation and commissioning of equipment components. It plays an important role in the production process.
+cover: machine.jpg
+slug: assembly
+images:
+  - machine.jpg
+  - machine2.jpg
+---

content/workshop/en/heat-treatment.mdx

@@ -0,0 +1,9 @@
+---
+title: Heat Treatment Workshop
+desc: A heat treatment workshop is a specialized facility dedicated to the heat treatment of metal materials. Its main processes include quenching, tempering, normalizing, isothermal quenching, annealing and hardening.
+cover: machine.jpg
+slug: heat-treatment
+images:
+  - machine.jpg
+  - machine2.jpg
+---

content/workshop/en/machine.mdx

@@ -0,0 +1,9 @@
+---
+title: Machining Workshop
+desc: The machining workshop of this machinery factory covers an area of 4,000 square meters and is equipped with dozens of processing equipment, including milling machines, lathes, grinding machines, drilling machines and so on.
+cover: machine.jpg
+slug: machine
+images:
+  - machine.jpg
+  - machine2.jpg
+---