docs: Add cleanup instructions to README

README.md

@@ -56,6 +56,22 @@ uvx domain-collector https://www.wikipedia.org
 ```
 
 This will open the Wikipedia homepage in a browser. After you interact with the page and close the browser, the script will save the visited domains to a file named `wikipedia_org_domains.txt`.
++
++## Cleanup
++
++To remove all artifacts, you can use the following commands:
++
++```bash
++uvx domain-collector https://www.wikipedia.org
++```
++
++This will open the Wikipedia homepage in a browser. After you interact with the page and close the browser, the script will save the visited domains to a file named `wikipedia_org_domains.txt`.
++
++```bash
++uvx playwright uninstall --all
++uv cache clean # Use with caution, this will remove all uv cache
++```
++
 
 ## Dependencies