docs: add link to detector package (#135)

Author: Amir Blum

README.md

@@ -47,8 +47,8 @@ The instrumentations in this repo are:
 ## Resource Detectors
 | Detector | Synchronicity | NPM |
 | --- | --- | --- |
-| Service | Synchronous | [![NPM version](https://img.shields.io/npm/v/opentelemetry-resource-detector-service.svg)](https://www.npmjs.com/package/opentelemetry-resource-detector-service) |
-| Deployment | Synchronous | [![NPM version](https://img.shields.io/npm/v/opentelemetry-resource-detector-deployment.svg)](https://www.npmjs.com/package/opentelemetry-resource-detector-deployment)
+| [Service](./detectors/node/resource-detector-service) | Synchronous | [![NPM version](https://img.shields.io/npm/v/opentelemetry-resource-detector-service.svg)](https://www.npmjs.com/package/opentelemetry-resource-detector-service) |
+| [Deployment](./detectors/node/resource-detector-deployment) | Synchronous | [![NPM version](https://img.shields.io/npm/v/opentelemetry-resource-detector-deployment.svg)](https://www.npmjs.com/package/opentelemetry-resource-detector-deployment)
 
 
 ## Compatability Table