fix(classes.base): Use type-only import for DockerHost in classes.base to avoid runtime side-effects

ts/00_commitinfo_data.ts

@@ -3,6 +3,6 @@
  */
 export const commitinfo = {
   name: '@apiclient.xyz/docker',
-  version: '3.0.0',
+  version: '3.0.1',
   description: 'Provides easy communication with Docker remote API from Node.js, with TypeScript support.'
 }

ts/classes.base.ts

@@ -1,4 +1,4 @@
-import { DockerHost } from './classes.host.js';
+import type { DockerHost } from './classes.host.js';
 
 /**
  * Abstract base class for all Docker resources.