Add tfjs-tflite-node link to delegate READMEs (#45)

Author: mattsoulanille

coral-tflite-delegate/README.md

@@ -1,5 +1,5 @@
 # Coral Delegate for tfjs-tflite-node
-The `coral-tflite-delegate` package adds support for [Coral EdgeTPU Accelerators](https://coral.ai/products/accelerator/) to tfjs-tflite-node.
+The `coral-tflite-delegate` package adds support for [Coral EdgeTPU Accelerators](https://coral.ai/products/accelerator/) to [tfjs-tflite-node](https://www.npmjs.com/package/tfjs-tflite-node).
 
 ## Installing
 This package depends on the [EdgeTPU Runtime Library (libedgetpu)](https://github.com/google-coral/libedgetpu). Follow the [instructions here](https://coral.ai/docs/accelerator/get-started#1-install-the-edge-tpu-runtime) to install it on Linux (x64, arm64), Mac (x64), or Windows (x64). libedgetpu can also be [built from source](https://github.com/google-coral/libedgetpu#building) if binaries are not available for your platform.

webnn-tflite-delegate/README.md

@@ -1,5 +1,5 @@
 # WebNN Delegate for tfjs-tflite-node
-The `webnn-tflite-delegate` package adds support for [Web Neural Network API](https://www.w3.org/TR/webnn/) (WebNN API) to tfjs-tflite-node.
+The `webnn-tflite-delegate` package adds support for [Web Neural Network API](https://www.w3.org/TR/webnn/) (WebNN API) to [tfjs-tflite-node](https://www.npmjs.com/package/tfjs-tflite-node).
 
 ## Dependencies