feat: update Readme (#10022)

Signed-off-by: Arnab Dutta <[email protected]>

demos/jans-tarp/README.md

@@ -22,6 +22,10 @@ This extension is for convenient testing of authentication flows on browser.
 3. Run `npm run build`. It will create Chrome and Firefox build in `/jans-tarp/dist/chrome` and `/jans-tarp/dist/firefox` directories respectively.
 4. To pack the build into a zip file run `npm run pack`. This command will pack  Chrome and Firefox builds in zip files at `/jans-tarp/release`.
 
+## Releases
+
+Instead of building from source code, you can download and install `jans-tarp` directly in your browser. Look for the `demo-jans-tarp-chrome-v{x.x.x}.zip` and `demo-jans-tarp-firefox-v{x.x.x}.zip` assets in the release section at https://github.com/JanssenProject/jans/releases. 
+
 ## Installation in browser
 
 ### Chrome
@@ -32,7 +36,7 @@ This extension is for convenient testing of authentication flows on browser.
 
 ### Firefox
 
-The extension can directly installed on Firefox browser from https://addons.mozilla.org/en-US/firefox/addon/jans-tarp/.
+The extension can directly installed on Firefox browser from https://addons.mozilla.org/en-US/firefox/addon/janssen-tarp/.
 
 #### Temporary Installation (from build)