Not able to use Effect SDK

Based on the : https://maple.dev/docs/guides/instrumentation-effect/

when run the bun install command, getting following errror 

```
bun install @maple-dev/effect-sdk effect
 21:30:35 
[0.14ms] ".env"
bun add v1.3.10 (30e609e0)
error: GET https://registry.npmjs.org/@maple-dev%2feffect-sdk - 404
```