Update README.md

Add Chrome Extension instructions

README.md

@@ -25,6 +25,17 @@ Please note: current vector database uses pandas Python documentation, thus resp
 Copy .env_sample and create .env with your openai api token
 4. Run the app
 `python app.py`
+
+To install the Chrome extension:
+1. In the DocsGPT Github repository click on the "Code" button and select "Download ZIP"
+2. Unzip the downloaded file to a location you can easily access
+3. Open the Google Chrome browser and click on the three dots menu (upper right corner)
+4. Select "More Tools" and then "Extensions"
+5. Turn on the "Developer mode" switch in the top right corner of the Extensions page
+6. Click on the "Load unpacked" button
+7. Select the "Chrome" folder where the DocsGPT files have been unzipped (docsgpt-main > extensions > chrome)
+8. The extension should now be added to Google Chrome and can be managed on the Extensions page
+9. To disable or remove the extension, simply turn off the toggle switch on the extension card or click on the "Remove" button
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 ## [Guides](https://github.com/arc53/docsgpt/wiki)