docs(feature-extractor.md): Switch the links for regression and classifications p5 editor examples i (#762)

Author: bomanimc

docs/reference/feature-extractor.md

@@ -225,8 +225,8 @@ featureExtractor.predict(input, ?callback);
 * [FeatureExtractor_Image_Classification](https://github.com/ml5js/ml5-examples/tree/development/p5js/FeatureExtractor/FeatureExtractor_Image_Classification)
 
 **p5 web editor**
-* [FeatureExtractor_Image_Regression](https://editor.p5js.org/ml5/sketches/FeatureExtractor_Image_Classification)
-* [FeatureExtractor_Image_Classification](https://editor.p5js.org/ml5/sketches/FeatureExtractor_Image_Regression)
+* [FeatureExtractor_Image_Regression](https://editor.p5js.org/ml5/sketches/FeatureExtractor_Image_Regression)
+* [FeatureExtractor_Image_Classification](https://editor.p5js.org/ml5/sketches/FeatureExtractor_Image_Classification)
 
 
 **plain javascript**