update readme with links and suggestions

Author: Ashwin V C

README.md

@@ -2,6 +2,15 @@
 
 A simple chrome extension that lets you search within the YouTube video's transcript to be able to navigate timestamps smoothly.
 
+## How to use?
+
+1. Download this zip file: [Yt-Transcript-Search-Extension](https://drive.google.com/file/d/1TkosBxqiembl9vCRiwzvmxiQcb9On0Ai/view?usp=drive_link)
+2. Go to chrome://extensions/
+3. Click on "Load unpacked"
+4. Select the unzipped folder
+5. You should see the extension icon in the top right corner of the browser
+6. Click on the extension icon when watching a youtube video to enable the transcript window
+
 ## Features
 
 - [x] Upon clicking the extension it should load correctly