Add Mode2Svelte - advanced SvelteKit implementation

- Created Mode2Svelte as a copy of Mode1Svelte
- Updated branding (title, description) to distinguish from Mode1Svelte
- Added Mode2Svelte support to orchestrator
- Configured orchestrator to spawn Mode2Svelte with Node.js adapter
- Set Mode2Svelte as active mode in activeMode.txt
- Built production bundle for Mode2Svelte
- Both Mode1Svelte and Mode2Svelte now managed by orchestrator on port 3005
- Orchestrator controls which mode runs via activeMode.txt configuration

Mode2Svelte/src/app.d.ts

@@ -0,0 +1,13 @@
+// See https://svelte.dev/docs/kit/types#app.d.ts
+// for information about these interfaces
+declare global {
+	namespace App {
+		// interface Error {}
+		// interface Locals {}
+		// interface PageData {}
+		// interface PageState {}
+		// interface Platform {}
+	}
+}
+
+export {};