fix: correct plugin link (#78)

Author: Ombuweb

packages/mlkit-image-labeling/README.md

@@ -1,6 +1,6 @@
 # @nativescript/mlkit-image-labeling
 
-A plugin that is used with [@nativescript/mlkit-core](../mlkit-core/) to enable Image Labeling and provide the [ImageLabelingResult](#imagelabelingresult) type for the image labeling event data.
+A plugin that is used with [@nativescript/mlkit-core](../plugins/mlkit-core/) to enable Image Labeling and provide the [ImageLabelingResult](#imagelabelingresult) type for the image labeling event data.
 
 ## Contents
 * [Installation](#installation)