docs(README): add demo links and resources

Author: geospatialem

README.md

@@ -5,3 +5,22 @@ Presented at the 2025 Esri Developer Summit by Kelly Hutchins and Kitty Hurley o
 - [Demo Site](https://geospatialem.github.io/dts-2025-build-a11y-web-maps-sdk-js-calcite)
 - [Code](https://github.com/geospatialem/dts-2025-build-a11y-web-maps-sdk-js-calcite)
 - Slides, opens in a new window 🚧 _Coming soon_ 🚧
+
+## Demos
+
+1. Map Description and Live Regions 🚧
+   - Provide context to when the map has loaded and include a description when the map is in focus to further WCAG's [1.3.1: Info and Relationships](https://www.w3.org/WAI/WCAG22/Understanding/info-and-relationships.html) Success Criterion.
+2. [Expand Component Focus Trap Disabled](demos/expand-component/index.html)
+   - Provide users the ability to not be trapped when interacting with the Expand component to further WCAG's [2.1.2: No Keyboard Trap](https://www.w3.org/WAI/WCAG21/Understanding/no-keyboard-trap.html) Success Criterion.
+3. Consistent Focus 🚧
+   - Provide a consistent focus order throughout your UI supporting WCAG's [2.4.3: Focus Order](https://www.w3.org/WAI/WCAG22/Understanding/focus-order.html) and [3.2.3: Consistent Navigation](https://www.w3.org/WAI/WCAG22/Understanding/consistent-navigation.html) Success Criterion.
+4. [High Contrast](demos/high-contrast/index.html)
+   - Explore contrast with your data, altering the basemap and layer effects to support the map's purpose when a user has enabled high contrast on their operating system, also supporting WCAG's [1.4.3: Contrast Minimum](https://www.w3.org/WAI/WCAG22/Understanding/contrast-minimum) Success Criterion.
+5. Reduced Motion 🚧
+   - Support reduced motion when a user has enabled reduced motion, or disabled animations on their operating system, also supporting WCAG's [2.3.3: Animation from Interactions](https://www.w3.org/WAI/WCAG22/Understanding/animation-from-interactions.html) Success Criterion.
+
+## Resources
+
+- [Calcite Accessibility](https://developers.arcgis.com/calcite-design-system/foundations/accessibility)
+- [ArcGIS Maps SDK for JavaScript accessibility](https://developers.arcgis.com/javascript/latest/accessibility)
+- [Subscribe to the Esri accessibility community](https://community.esri.com/t5/accessibility/ct-p/accessibility)