Support the dlx command

From the discussion in #11

I've mirrored the implementation of the `exec` command.

Note: for pnpm, whilst there is an alias — `pnpx` — I've chosen to use `pnpm dlx`, as the alias was only introduced in pnpm v9 (Apr 2024).

docs/src/content/docs/getting-started.mdx

@@ -7,7 +7,7 @@ import PackageManagers from '../../components/PackageManagers.astro'
 ## Features
 
 - Support for various package managers: [npm](https://www.npmjs.com), [yarn](https://yarnpkg.com), [pnpm](https://pnpm.io), [bun](https://bun.sh) & [ni](https://github.com/antfu/ni).
-- Support for various types of command: [`add`](/usage/#add), [`create`](/usage/#create), [`exec`](/usage/#exec), [`run`](/usage/#run) & [`remove`](/usage/#remove).
+- Support for various types of command: [`add`](/usage/#add), [`create`](/usage/#create), [`dlx`](/usage/#dlx), [`exec`](/usage/#exec), [`run`](/usage/#run) & [`remove`](/usage/#remove).
 - Synced tabs between each instance on the same page.
 - Customizable output with [extra arguments](/usage/#extra-arguments), [comments](/usage/#comment) & [prefixes](/usage/#prefix).
 

docs/src/content/docs/usage.mdx

@@ -66,6 +66,18 @@ The code above generates the following commands:
 
 <PackageManagers type="create" pkg="astro@latest" />
 
+### `dlx`
+
+To fetch and download a package binary, without installing it as a dependency, you can use the `dlx` type and specify extra arguments using the `args` prop.
+
+```mdx title="src/content/docs/example.mdx" 'type="dlx"'
+<PackageManagers type="dlx" pkg="serve" args="public" />
+```
+
+The code above generates the following commands:
+
+<PackageManagers type="dlx" pkg="serve" args="public" />
+
 ### `exec`
 
 To execute a package binary, you can use the `exec` type and specify extra arguments using the `args` prop.