Disability Inclusion is to include people with disabilities in our every day life and society. It is to provide accessibility to people with disabilities in areas of employment, communication, business, housing, products and services. It is to provide them with the same opportunity that everyone else in the society gets in every aspect of life.
There are benefits of disability inclusion in the workplace, such as its benefits to society, the organisation's image, and how being inclusive allows you to tap into different perspectives.
This is a link to a very useful guide if you want your workplace to become more inclusive.