refactor: use ToolHive instead of Toolhive

Author: samuv

docs/toolhive/guides-ui/registry.mdx

@@ -23,12 +23,12 @@ menu. This section lets you explore the various MCP servers available in either
 the built-in or custom registry.
 
 <ThemedImage
-  alt='Toolhive Registry Page'
+  alt='ToolHive Registry Page'
   sources={{
     light: useBaseUrl('/img/toolhive/toolhive-ui-registry-light.webp'),
     dark: useBaseUrl('/img/toolhive/toolhive-ui-registry-dark.webp'),
   }}
-  title='Toolhive Registry Page'
+  title='ToolHive Registry Page'
 ></ThemedImage>
 
 The registry interface displays servers with their: