move working code to exemple/navigation/

sources/, config.yml and build.sh relocated under exemple/navigation/.
Root now only contains template/ and exemple/.
README updated to reflect the new structure.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>

sources/core/registry.js

@@ -1,10 +0,0 @@
-// Loads and registers all components listed in components.json.
-// To add a component: git clone into components/, add the path here.
-const response = await fetch('./components.json')
-if (!response.ok) throw new Error('Failed to load components.json')
-
-const components = await response.json()
-
-for (const path of components) {
-  await import(`../${path}`)
-}