feat: Refactor event modules for Svelte 5 and new routing structure

- Moved legacy event modules (`events_badges`, `events_leads`) to `src/routes/legacy/` and renamed them to `events_badges_v2` and `events_leads_v2` respectively.
- Created new directory structures for Svelte 5 and SvelteKit-based event modules under `src/routes/events/[event_id]/`:
    - `(launcher)`
    - `(badges)`
    - `(leads)`
- Updated `src/routes/events_leads/README.md` (now `src/routes/legacy/events_leads_v2/README.md`) with comprehensive documentation for the legacy lead retrieval module, reflecting its features, data model, routing, components, and technical implementation details, incorporating project conventions.

src/routes/legacy/events_badges_v2/+layout.ts

@@ -0,0 +1,57 @@
+/** @type {import('./$types').LayoutLoad} */
+console.log(`ae_events_badges +layout.ts start`);
+
+import { events_func } from '$lib/ae_events_functions';
+
+export async function load({ parent }) {
+    const data = await parent();
+    // console.log(`ae_events_badges +layout.ts data:`, data);
+
+    const account_id = data.account_id;
+    const ae_acct = data[account_id];
+    console.log(`ae_acct = `, ae_acct);
+
+    if (!account_id) {
+        console.log(`events_badges +layout.ts: The account_id was not found in the data!!!`);
+        return false;
+    }
+
+    const event_id = ae_acct.slct.event_id;
+    if (!event_id) {
+        console.log(`events_badges +layout.ts: The event_id was not found in the data!!!`);
+        return false;
+    }
+
+    const load_event_obj = events_func.load_ae_obj_id__event({
+        api_cfg: ae_acct.api,
+        event_id: event_id,
+        try_cache: true
+    });
+
+    ae_acct.slct.event_obj = load_event_obj;
+
+    const submenu = {
+        main: { name: 'Main', href: '/events_badges', access: false },
+        // manage: {name: 'Manage', href: '/events_badges/manage', access: 'administrator', disable: true, hide: true},
+        review: {
+            name: 'Review',
+            href: '/events_badges/review',
+            access: false,
+            disable: false,
+            hide: false
+        }
+        // print: {name: 'Print', href: '/events_badges/print', access: 'trusted', disable: true, hide: false},
+        // view: {name: 'View', href: '/events_badges/view', access: 'trusted', hide: true}, // event_badge_id
+        // new: {name: 'New', href: '/events_badges/new'},
+        // sponsorships: {name: 'Sponsorships', href: '/sponsorships', disable: true, hide: true},
+    };
+    data.submenu = submenu;
+
+    // WARNING: Precaution against shared data between sites and sessions.
+    data[account_id] = ae_acct;
+
+    return data;
+}
+
+// export const prerender = false;
+// export const prerender = true;