feat(www): SEO/AEO improvements — site URL, robots.txt, structured data, clean titles

- Add site URL (https://simple-stack.dev) to astro.config.mjs to enable
  sitemap generation, canonical URLs, and absolute URL resolution
- Add robots.txt allowing all crawlers with sitemap reference
- Add Open Graph meta tags (og:type, og:site_name) site-wide
- Add Organization JSON-LD structured data site-wide
- Add WebSite JSON-LD structured data on homepage
- Remove emojis from page title frontmatter for cleaner SERP display
  (emojis remain in sidebar labels for visual navigation)
- Improve homepage title for SEO

Co-Authored-By: Oz <oz-agent@warp.dev>

Author: bholmesdev

www/astro.config.mjs

@@ -2,9 +2,10 @@ import starlight from "@astrojs/starlight";
 import { defineConfig } from "astro/config";
 
 export default defineConfig({
+	site: "https://simple-stack.dev",
 	integrations: [
 		starlight({
-			title: "Simple Stack 🌱",
+			title: "Simple Stack",
 			social: [
 				{
 					icon: "github",
@@ -13,6 +14,30 @@ export default defineConfig({
 				},
 				{ icon: "discord", label: "Discord", href: "https://wtw.dev/chat" },
 			],
+			head: [
+				{
+					tag: "meta",
+					attrs: { property: "og:type", content: "website" },
+				},
+				{
+					tag: "meta",
+					attrs: { property: "og:site_name", content: "Simple Stack" },
+				},
+				{
+					tag: "script",
+					attrs: { type: "application/ld+json" },
+					content: JSON.stringify({
+						"@context": "https://schema.org",
+						"@type": "Organization",
+						name: "Simple Stack",
+						url: "https://simple-stack.dev",
+						logo: "https://simple-stack.dev/favicon.svg",
+						sameAs: [
+							"https://github.com/bholmesdev/simple-stack",
+						],
+					}),
+				},
+			],
 			sidebar: [
 				{
 					label: "💾 Store",

www/public/robots.txt

@@ -0,0 +1,4 @@
+User-agent: *
+Allow: /
+
+Sitemap: https://simple-stack.dev/sitemap-index.xml

www/src/content/docs/index.mdx

@@ -1,10 +1,14 @@
 ---
-title: Simple stack 🌱
+title: Simple Stack — Lightweight Tools for Astro & Vite
 description: A suite of tools built for Astro to simplify your workflow.
 tableOfContents: false
 head:
   - tag: title
-    content: Simple stack 🌱
+    content: Simple Stack — Lightweight Tools for Astro & Vite
+  - tag: script
+    attrs:
+      type: application/ld+json
+    content: '{"@context":"https://schema.org","@type":"WebSite","name":"Simple Stack","url":"https://simple-stack.dev","description":"A suite of tools built for Astro to simplify your workflow."}'
 ---
 
 A collection of tools I've built to **make web development simpler.**

www/src/content/docs/query.mdx

@@ -1,5 +1,5 @@
 ---
-title: 💰 Simple Query
+title: Simple Query
 description: A simple library to query the DOM from your Astro components.
 ---
 

www/src/content/docs/scope.mdx

@@ -1,5 +1,5 @@
 ---
-title: 🔎 Simple scope
+title: Simple Scope
 description: Get a scoped ID for whatever file you're in. Resolved at build-time with zero client JS.
 ---
 

www/src/content/docs/store.mdx

@@ -1,5 +1,5 @@
 ---
-title: 💾 Simple store
+title: Simple Store
 description: A reactive store that combines the simplicity of signals with the power of "selectors" you'd find in Zustand or Redux.
 sidebar:
   label: Get started

www/src/content/docs/stream.md

@@ -1,5 +1,5 @@
 ---
-title: Simple stream 🌊
+title: Simple Stream
 description: Suspend Astro components with fallback content. Like React Server Components, but Just HTML ™️
 ---