update readme

Author: sachin9996

.gitignore

@@ -21,3 +21,5 @@ Thumbs.db
 # Vite
 vite.config.js.timestamp-*
 vite.config.ts.timestamp-*
+
+subtrace

README.md

@@ -4,23 +4,29 @@ This repo shows how to add [Subtrace](https://subtrace.dev) to a sample SvelteKi
 Subtrace connects your server to Chrome DevTools so that you can inspect the status,
 headers, payload, and latency of each request.
 
-Download Subtrace on your machine:
+Clone this repo, and download Subtrace on your machine:
 
 ```bash
 curl -fSLO "https://subtrace.dev/download/$(uname -s)/$(uname -m)/subtrace" && chmod +x ./subtrace
 ```
 
-Clone this repo, and start the SvelteKit app with Subtrace.
+Then get a `SUBTRACE_TOKEN` from the Subtrace [dashboard](https://subtrace.dev/dashboard)
+for free and set it as an environment variable.
+
+```bash
+# get a tracer token for free at https://subtrace.dev/dashboard
+export SUBTRACE_TOKEN=subt_...xxxxx
+```
+
+Start the SvelteKit app with Subtrace.
 
 ```bash
 npm install
 npm run build
 ./subtrace run -- npm run dev
 ```
 
-Open the `subt.link` URL that shows up in your terminal to go to the Subtrace dashboard:
-
-![image](https://github.com/user-attachments/assets/3922fad9-74a4-4575-a9df-f6424f54072b)
-
 That's it! You can now visit [localhost:5173](localhost:5173) and make requests
-to the app that show up on the Subtrace dashboard in realtime.
+to the app that show up on the Subtrace dashboard in realtime:
+
+https://github.com/user-attachments/assets/f4b7b3de-41e9-48ca-8707-cd6ac1868b3c