Add labeled data and fix broken links

[Lalith-Sagar-Devagudi]

Description

Added labeled Text and Images data snippets to the notebook. The labeled data can be used to implement or test various models like Classification models.

Text (labeled):

A JSON file of dicts with two keys "x" and "y". The data is derived from IMDB data where the key "x" have a review text as its value and the key "y" have either 0 (negative review) (487) or 1 (positive review) (513) as its value. A total of 1000 dicts or reviews are present in the text_labeled.json file

Image (labeled):

A zipped folder of total 1000 images of cats (494) and dogs (506) along with a JSON file. The JSON file consists of dicts with two keys "x" and "y". The data is derived from tensorflow cats_vs_dogs dataset where the key "x" have image file path as its value and the key "y" have either 0 (cat) or 1 (dog) as its value. A total of 1000 dicts or images are present in the images_labeled.json file

Related Issues

[TEST-USE] Transfer learning #1967

Checklist

• [x] Is this code covered by new or existing unit tests or integration tests?
• [x] Did you run make unit-testing and make integration-testing successfully?
• [x] Do new classes, functions, methods and parameters all have docstrings?
• [x] Were existing docstrings updated, if necessary?
• [x] Was external documentation updated, if necessary?