Improving accessibility of the website

**What is the problem you're trying to solve**
Improving accessibility of the website

**Describe the solution you'd like**
Adding alt tags for images

**Additional context**
>For many people, technology makes things easier. For people with disabilities, technology makes things possible. Accessibility means developing content to be as accessible as possible no matter an individual's physical and cognitive abilities and no matter how they access the web.
>"The Web is fundamentally designed to work for all people, whatever their hardware, software, language, culture, location, or physical or mental ability. When the Web meets this goal, it is accessible to people with a diverse range of hearing, movement, sight, and cognitive ability."

-From [MDN](https://developer.mozilla.org/en-US/docs/Web/Accessibility)