## Description Document accessibility and sustainability. ## Affected documentation own markdown file that is linked in the main README ## Proposed changes Add documentation for accessibility and sustainability according to the lecture. Acessibility must include, semantic html, color contrast for readability, navigation through the page with only keys (keyboard accessibility) , aria and screen readers, zoom keeps content on page, images and alt-text where applicable, etc... Sustainabiltiy must include: color choices, image optimization, browser caching, efficient API requests, efficient react rendering, local storage, etc. Feel free to add documentation about section that have not been included above. ## Acceptance criteria * The documentation includes separate sections for Accessibility and Sustainability. * The accessibility section explains which WCAG principles are relevant to Full Circuit. * The accessibility section describes concrete implementation choices, including semantic HTML, keyboard navigation, and image accessibility. * The sustainability section explains how image optimization, browser caching, and API requests affect resource consumption. * Each section includes examples from the actual implementation. * Relevant verification methods and results are documented. * Known limitations and potential improvements are identified. ## Dependencies none