fix: correct business framing - website design & development is primary, email is secondary

Update hello-world post, homepage, about page, and zh landing to say
website design & development (primary) + email hosting (side offering),
not 'email-hosting business'.

src/content/posts/hello-world.md

@@ -26,7 +26,8 @@ Most posts will be one of a few shapes:
 
 I'm Lee Teong Hoe (Mr Hoelee), a full-stack developer and DevOps engineer
 based in Malaysia. I build web applications, self-host a ~140-container
-homelab, and run an email-hosting business for Malaysian SMEs.
+homelab, and run Hoelee Enterprise — a website design & development business
+for Malaysian SMEs (with email hosting as a side offering, not the focus).
 
 If you're a recruiter, a client, or a fellow builder — the posts here are my
 living portfolio. Start with the [latest posts](/posts/).

src/pages/about.astro

@@ -10,8 +10,9 @@ import { SITE } from '../config';
     I'm {SITE.author} ({SITE.handle}), a full-stack developer and DevOps engineer
     based in Malaysia. I build web applications — PHP/CodeIgniter, Java/Spring,
     JavaScript/TypeScript/React — and self-host a ~140-container homelab
-    (Docker, Traefik, nginx, Cloudflare tunnels) that runs my own email-hosting
-    business for Malaysian SMEs.
+    (Docker, Traefik, nginx, Cloudflare tunnels). I run Hoelee Enterprise, a
+    website design & development business for Malaysian SMEs (email hosting is
+    a side offering, not the focus).
   </p>
   <p>
     This blog is my living portfolio: I document what I build, from self-hosted

src/pages/index.astro

@@ -15,8 +15,8 @@ const posts = (await getCollection('posts', isEn))
     <p>
       A full-stack developer and DevOps engineer based in Malaysia. I build web
       apps (PHP/CodeIgniter, Java/Spring, TypeScript/React), self-host a
-      ~140-container homelab, and run a small email-hosting business for
-      Malaysian SMEs. I write here about what I learn and ship.
+      ~140-container homelab, and run a website design & development business
+      for Malaysian SMEs. I write here about what I learn and ship.
     </p>
     <p>
       <a href="/about/">More about me</a>

src/pages/zh/index.astro

@@ -18,8 +18,9 @@ const posts = (await getCollection('posts', isZh))
     <h1>你好，我是 {SITE.author}。</h1>
     <p>
       一名base在马来西亚的全栈开发者兼 DevOps 工程师。我构建 Web 应用，
-      自托管一个约 140 个容器的 homelab，并运营面向马来西亚中小企业的
-      邮箱托管业务。这里是博客的中文部分。
+      自托管一个约 140 个容器的 homelab，并运营 Hoelee Enterprise——一家面向
+      马来西亚中小企业的网站设计开发公司（邮箱托管只是副业，并非主业）。
+      这里是博客的中文部分。
     </p>
     <p>
       <a href="/">切换到英文</a>