feat(docs): add collapsible component documentation

Add comprehensive documentation for the new Collapsible component, including usage examples, props, and best practices. The component provides expandable content sections with smooth animations for React Native applications.

Author: masumrpg

apps/docs/astro.config.mjs

@@ -187,6 +187,14 @@ export default defineConfig({
                   label: 'Accordion',
                   slug: 'components/disclosure/accordion',
                 },
+                {
+                  label: 'Collapsible',
+                  slug: 'components/disclosure/collapsible',
+                  badge: {
+                    text: 'New',
+                    variant: 'success',
+                  },
+                },
                 {
                   label: 'Scroll',
                   slug: 'components/disclosure/scroll',