feat(a11y): initial draft

111.md

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+NIP-111
+=======
+
+# Accessibility (A11y)
+----------------------
+
+`draft` `optional` `author:fernandolguevara`
+
+## Abstract
+
+Accessibility involves designing content, products, services, and environments to be usable and accessible by users with disabilities. This NIP proposes a mechanism for users with disabilities to define their accessibility preferences using `kind: 0` event type. This way, NOSTR Clients can enhance the inclusive experience for all users.
+
+## Categories of disabilities
+
+To address diverse accessibility needs, disabilities can be categorized into:
+
+- Visual
+- Hearing
+- Physical
+- Cognitive, Learning, and Neurological
+- Speech
+
+Example
+-------
+
+```json
+{
+	"kind": 0,
+	"a11y": ["visual", "hearing", "physical", "..."],
+
+// TODO: We need consensus on categorization and nomination of accessibility markers
+	"a11y-visual": ["contrast sensitivity", "red color blindness"],
+	"a11y-visual-color-blindness": ["red"]
+	...
+}
+```
+
+Implementing this proposal could benefit a range of scenarios:
+
+1. **Adaptive UI**: Clients can dynamically adjust their user interfaces based on the provided accessibility preferences, ensuring optimal interaction for users with disabilities.
+2. **Content Customization**: Content can be presented in formats that suit users' preferences, such as providing subtitles for videos or larger fonts for visually impaired users.
+3. **Navigation**: Users with physical disabilities can set preferences for navigation methods that best suit their abilities, whether via keyboard shortcuts or voice commands.