refactor: remove all fumadocs references, rebrand to Hanzo Docs

- Renamed fumaMatter → parseFrontmatter
- Renamed fuma-matter.ts → frontmatter.ts
- Removed deprecated toFumadocsSource() method, keeping only toSource()
- Updated all type names: FumadocsDataMap → DocsDataMap, etc.
- Updated FumapressConfig → PressConfig, fumapress → hanzoPress
- Updated useFumadocsLoader → useDocsLoader
- Updated writeFumadocsRegistry → writeDocsRegistry
- Updated all README files with Hanzo Docs branding
- Updated create-app templates to use hanzoai/docs GitHub repo
- Updated all example files and documentation content
- Updated robots.txt, GitHub workflows, and issue templates
- Updated test fixtures with hanzo-docs.dev URLs
- Published updated packages to npm

BREAKING CHANGE: All fumadocs imports must be updated to use new names:
- fumaMatter → parseFrontmatter
- toFumadocsSource → toSource
- useFumadocsLoader → useDocsLoader

examples/python/content/docs/index.mdx

@@ -9,5 +9,5 @@ Welcome to the docs! You can start writing documents in `/content/docs`.
 
 <Cards>
   <Card title="Learn more about Next.js" href="https://nextjs.org/docs" />
-  <Card title="Learn more about Fumadocs" href="https://fumadocs.dev" />
+  <Card title="Learn more about Hanzo Docs" href="https://hanzo-docs.dev" />
 </Cards>

examples/python/lib/source.ts

@@ -1,9 +1,9 @@
 import { docs } from '@hanzo/docs/mdx:collections/server';
 import { loader } from '@hanzo/docs/core/source';
 
-// See https://fumadocs.dev/docs/headless/source-api for more info
+// See https://hanzo-docs.dev/docs/headless/source-api for more info
 export const source = loader({
   // it assigns a URL to your pages
   baseUrl: '/docs',
-  source: docs.toFumadocsSource(),
+  source: docs.toHanzo DocsSource(),
 });

examples/python/source.config.ts

@@ -1,6 +1,6 @@
 import { defineConfig, defineDocs } from '@hanzo/docs/mdx/config';
 
-// Options: https://fumadocs.dev/docs/mdx/collections#define-docs
+// Options: https://hanzo-docs.dev/docs/mdx/collections#define-docs
 export const docs = defineDocs({
   dir: 'content/docs',
 });