Updated docs (#120)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

docs/README.md

@@ -3,12 +3,11 @@ django-extra-field-validation
 
 ![PyPI](https://img.shields.io/pypi/v/django-extra-field-validation) ![PyPI - Python Version](https://img.shields.io/pypi/pyversions/django-extra-field-validation) ![PyPI - Django Version](https://img.shields.io/pypi/djversions/django-extra-field-validation) [![Downloads](https://pepy.tech/badge/django-clone)](https://pepy.tech/project/django-clone)
 
-[![Build Status](https://travis-ci.org/tj-django/django-extra-field-validation.svg?branch=master)](https://travis-ci.org/tj-django/django-extra-field-validation)
+[![Build Status](https://travis-ci.com/tj-django/django-extra-field-validation.svg?branch=master)](https://travis-ci.com/tj-django/django-extra-field-validation)
 [![Codacy Badge](https://app.codacy.com/project/badge/Grade/6973bc063f1142afb66d897261d8f8f5)](https://www.codacy.com/gh/tj-django/django-extra-field-validation/dashboard?utm_source=github.com&utm_medium=referral&utm_content=tj-django/django-extra-field-validation&utm_campaign=Badge_Grade) [![Codacy Badge](https://app.codacy.com/project/badge/Coverage/6973bc063f1142afb66d897261d8f8f5)](https://www.codacy.com/gh/tj-django/django-extra-field-validation/dashboard?utm_source=github.com&utm_medium=referral&utm_content=tj-django/django-extra-field-validation&utm_campaign=Badge_Coverage) 
 [![Total alerts](https://img.shields.io/lgtm/alerts/g/tj-django/django-extra-field-validation.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/tj-django/django-extra-field-validation/alerts/) [![Language grade: Python](https://img.shields.io/lgtm/grade/python/g/tj-django/django-extra-field-validation.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/tj-django/django-extra-field-validation/context:python)
 
 
-
 Introduction
 ------------
 This package aims to provide tools needed to define custom field validation logic which can be used independently or with