feat: Add incomplete Starlight rewrite of docs site

.codespellrc

@@ -1,3 +1,3 @@
 [codespell]
-skip = go.mod,go.sum,*.svg,Gemfile.lock
+skip = go.mod,go.sum,*.svg,Gemfile.lock,pnpm-lock.yaml
 ignore-words-list = dRan

docs-starlight/.gitignore

@@ -0,0 +1,21 @@
+# build output
+dist/
+# generated types
+.astro/
+
+# dependencies
+node_modules/
+
+# logs
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+
+
+# environment variables
+.env
+.env.production
+
+# macOS-specific files
+.DS_Store

docs-starlight/README.md

@@ -0,0 +1,27 @@
+# Terragrunt Docs: Starlight Rewrite
+
+This is the rewrite of the Terragrunt website using [Starlight](https://github.com/withastro/starlight), a documentation website framework for Astro. The goal is to provide a more user-friendly and accessible documentation for Terragrunt users.
+
+## Development
+
+To get started, install the requisite dependencies to run the project locally using [mise](https://mise.jdx.dev/):
+
+```bash
+mise install
+```
+
+Afterwards, you'll want to install the dependencies for the project:
+
+```bash
+pnpm i
+```
+
+You can now start the development server:
+
+```bash
+pnpm dev
+```
+
+## WIP
+
+This is still a work in progress. Here are some of the tasks that need to be completed. For the list of tasks, see [TODO.md](TODO.md).

docs-starlight/TODO.md

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+# TODO
+
+The Starlight rewrite of the Terragrunt website is a work in progress.
+
+Here are some of the tasks that need to be completed:
+
+- [ ] **Home Page**
+- [ ] **Docker compose local dev setup**
+- [ ] **Vercel deployment**
+- [ ] **Content parity with current docs site**
+- [ ] **User feedback collection**
+- [ ] **Broken link checking**
+- [ ] **Jekyll site banner indicating new site**

docs-starlight/astro.config.mjs

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+// @ts-check
+import { defineConfig } from 'astro/config';
+import starlight from '@astrojs/starlight';
+
+// https://astro.build/config
+export default defineConfig({
+	integrations: [
+		starlight({
+			title: 'Terragrunt',
+			social: {
+				github: 'https://github.com/gruntwork-io/terragrunt',
+				discord: 'https://discord.gg/SPu4Degs5f',
+			},
+			sidebar: [
+				{
+					label: 'Getting Started',
+					autogenerate: { directory: 'getting-started' },
+				},
+				{
+					label: 'Features',
+					autogenerate: { directory: 'features' },
+				},
+				{
+					label: 'Community',
+					autogenerate: { directory: 'community' },
+				},
+				{
+					label: 'Reference',
+					items: [
+						{
+							label: 'Configuration', slug: 'docs/reference/configuration',
+						},
+						{
+							label: 'CLI', collapsed: true, items: [
+								{ label: 'Commands', autogenerate: { directory: 'reference/cli/commands', collapsed: true } },
+							],
+						},
+					],
+				},
+				{
+					label: 'Troubleshooting',
+					autogenerate: { directory: 'troubleshooting' },
+				},
+				{
+					label: 'Migrate',
+					autogenerate: { directory: 'migrate' },
+				},
+			],
+		}),
+	],
+	redirects: {
+		'/getting-started': '/quick-start',
+	},
+});

docs-starlight/mise.toml

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+[tools]
+node = "23.7.0"
+pnpm = "9.15.4"

docs-starlight/package.json

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+{
+  "name": "docs-starlight",
+  "type": "module",
+  "version": "0.0.1",
+  "scripts": {
+    "dev": "astro dev",
+    "start": "astro dev",
+    "build": "astro build",
+    "preview": "astro preview",
+    "astro": "astro"
+  },
+  "dependencies": {
+    "@astrojs/starlight": "^0.31.1",
+    "astro": "^5.2.1",
+    "sharp": "^0.32.5"
+  }
+}