Split into a multi page site using Vitepress

Fixes #2, and is a continuation of pull request #3. Vitepress has now been set up, but only a couple major sections have been split so far. Much more is to come.

Author: OceanIsEndless

.gitignore

@@ -1 +1,3 @@
-.DS_Store
+.DS_Store
+.vitepress/dist
+.vitepress/cache

.vitepress/api-examples.md

@@ -0,0 +1,49 @@
+---
+outline: deep
+---
+
+# Runtime API Examples
+
+This page demonstrates usage of some of the runtime APIs provided by VitePress.
+
+The main `useData()` API can be used to access site, theme, and page data for the current page. It works in both `.md` and `.vue` files:
+
+```md
+<script setup>
+import { useData } from 'vitepress'
+
+const { theme, page, frontmatter } = useData()
+</script>
+
+## Results
+
+### Theme Data
+<pre>{{ theme }}</pre>
+
+### Page Data
+<pre>{{ page }}</pre>
+
+### Page Frontmatter
+<pre>{{ frontmatter }}</pre>
+```
+
+<script setup>
+import { useData } from 'vitepress'
+
+const { site, theme, page, frontmatter } = useData()
+</script>
+
+## Results
+
+### Theme Data
+<pre>{{ theme }}</pre>
+
+### Page Data
+<pre>{{ page }}</pre>
+
+### Page Frontmatter
+<pre>{{ frontmatter }}</pre>
+
+## More
+
+Check out the documentation for the [full list of runtime APIs](https://vitepress.dev/reference/runtime-api#usedata).

.vitepress/config.mts

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+import { defineConfig } from 'vitepress'
+
+// https://vitepress.dev/reference/site-config
+export default defineConfig({
+  title: "Scratch Specification",
+
+  themeConfig: {
+    // https://vitepress.dev/reference/default-theme-config
+    nav: [
+      { text: 'Home', link: '/' },
+      { text: 'Intro', link: '/intro/' },
+      { text: 'Concepts', link: '/concepts/' },
+      { text: 'Runtime', link: '/runtime/' },
+      { text: 'Blocks', link: '/palette/' },
+      { text: 'Files', link: '/files/' },
+      { text: 'I/O', link: '/io/' },
+      { text: 'Network', link: '/network/' },
+      { text: 'Devices', link: '/devices/' }
+    ],
+
+    sidebar: [
+      {
+        text: 'Introduction',
+        link: '/intro/',
+        items: [
+          { text: 'Frequently Asked Questions', link: '/intro/#faq' },
+          { text: 'Contributing Guidelines', link: '/intro/#contributing' }
+        ]
+      },
+      {
+        text: 'Concepts',
+        link: '/concepts/',
+        items: [
+          { text: 'Capabilities', link: '/concepts/#capabilities' },
+          { text: 'Constants', link: '/concepts/#constants' },
+          { text: 'Ideas', link: '/concepts/#ideas' },
+          { text: 'Values', link: '/concepts/#values' },
+          { text: 'Procedures', link: '/concepts/#procedures' }
+        ]
+      },
+    ],
+
+    socialLinks: [
+      { icon: 'github', link: 'https://github.com/OceanIsEndless/scratch-spec' }
+    ],
+
+    search: {
+      provider: 'local'
+    }
+  }
+})

.vitepress/markdown-examples.md

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+# Markdown Extension Examples
+
+This page demonstrates some of the built-in markdown extensions provided by VitePress.
+
+## Syntax Highlighting
+
+VitePress provides Syntax Highlighting powered by [Shiki](https://github.com/shikijs/shiki), with additional features like line-highlighting:
+
+**Input**
+
+````md
+```js{4}
+export default {
+  data () {
+    return {
+      msg: 'Highlighted!'
+    }
+  }
+}
+```
+````
+
+**Output**
+
+```js{4}
+export default {
+  data () {
+    return {
+      msg: 'Highlighted!'
+    }
+  }
+}
+```
+
+## Custom Containers
+
+**Input**
+
+```md
+::: info
+This is an info box.
+:::
+
+::: tip
+This is a tip.
+:::
+
+::: warning
+This is a warning.
+:::
+
+::: danger
+This is a dangerous warning.
+:::
+
+::: details
+This is a details block.
+:::
+```
+
+**Output**
+
+::: info
+This is an info box.
+:::
+
+::: tip
+This is a tip.
+:::
+
+::: warning
+This is a warning.
+:::
+
+::: danger
+This is a dangerous warning.
+:::
+
+::: details
+This is a details block.
+:::
+
+## More
+
+Check out the documentation for the [full list of markdown extensions](https://vitepress.dev/guide/markdown).