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>

exemple/navigation/sources/core/config.js

@@ -0,0 +1,4 @@
+const response = await fetch('./config.json')
+if (!response.ok) throw new Error('Failed to load config.json')
+
+export const config = await response.json()

exemple/navigation/sources/core/menu.js

@@ -0,0 +1,37 @@
+// Dynamic menu loader.
+// Fetches data for groups declared with empty children in navigation.json
+// and injects them into side-nav after it is ready.
+//
+// Imported non-blocking from index.html — does not delay routing.
+// Replace MOCK_* with real api-client calls when the backend is ready.
+
+// ── Mock data ────────────────────────────────────────────────────────────────
+
+const MOCK_ACCOUNTS = [
+  { id: 'tresorerie',   name: 'Trésorerie'   },
+  { id: 'charges',      name: 'Charges'       },
+  { id: 'produits',     name: 'Produits'      },
+  { id: 'fournisseurs', name: 'Fournisseurs'  },
+]
+
+async function fetchAccounts() {
+  // TODO: replace with real call
+  // const api = document.querySelector('api-client')
+  // return await api.finance.list('/accounts')
+  await new Promise(r => setTimeout(r, 500))  // simulate network latency
+  return MOCK_ACCOUNTS
+}
+
+// ── Injection ────────────────────────────────────────────────────────────────
+
+const nav = document.querySelector('side-nav')
+if (!nav) throw new Error('menu.js: side-nav not found in DOM')
+
+await nav.ready
+
+const accounts = await fetchAccounts()
+nav.setGroupChildren('Comptes', accounts.map(a => ({
+  label: a.name,
+  href:  `#/account?id=${a.id}`,
+  icon:  'account',
+})))

exemple/navigation/sources/core/registry.js

@@ -0,0 +1,10 @@
+// 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}`)
+}

exemple/navigation/sources/core/router.js

@@ -0,0 +1,55 @@
+// Hash-based SPA router.
+// Reads pages.json (generated by build.sh from config.yml).
+// Each page is an HTML fragment (index.html) + optional CSS + optional JS module.
+//
+// Load order enforced by index.html:
+//   await import('./core/registry.js')   ← defines all components
+//   await import('./core/router.js')     ← this file
+
+const response = await fetch('./pages.json')
+if (!response.ok) throw new Error('router: failed to load pages.json — run build.sh')
+const PAGES = await response.json()
+
+// Cache of imported JS modules — modules are only fetched once per session.
+const MODULE_CACHE = new Map()
+
+// Currently active page CSS <link> — removed on navigation.
+let activeCSS = null
+
+function currentRoute() {
+  const hash = window.location.hash.replace(/^#\//, '') || PAGES[0]?.route || ''
+  return hash.split('?')[0]
+}
+
+async function render(routeName) {
+  const page = PAGES.find(p => p.route === routeName) ?? PAGES[0]
+  const main  = document.querySelector('main')
+  if (!main || !page) return
+
+  // ── HTML ────────────────────────────────────────────────────────────────────
+  const htmlRes = await fetch(page.html)
+  if (!htmlRes.ok) throw new Error(`router: failed to load ${page.html}`)
+  main.innerHTML = await htmlRes.text()
+
+  // ── CSS ─────────────────────────────────────────────────────────────────────
+  activeCSS?.remove()
+  activeCSS = null
+  if (page.css) {
+    const link  = document.createElement('link')
+    link.rel    = 'stylesheet'
+    link.href   = page.css
+    document.head.appendChild(link)
+    activeCSS = link
+  }
+
+  // ── JS ──────────────────────────────────────────────────────────────────────
+  if (page.js) {
+    if (!MODULE_CACHE.has(page.js)) {
+      MODULE_CACHE.set(page.js, await import(`../${page.js}`))
+    }
+    MODULE_CACHE.get(page.js)?.init?.(main)
+  }
+}
+
+await render(currentRoute())
+window.addEventListener('hashchange', () => render(currentRoute()))