Add initial project structure with Svelte, TypeScript support, and basic Nostr client implementation

app/web/src/constants.js

@@ -0,0 +1,11 @@
+// Default Nostr relays for searching
+export const DEFAULT_RELAYS = [
+    'wss://relay.damus.io',
+    'wss://relay.nostr.band',
+    'wss://nos.lol',
+    'wss://relay.nostr.net',
+    'wss://relay.minibits.cash',
+    'wss://relay.coinos.io/',
+    'wss://nwc.primal.net',
+    'wss://relay.orly.dev',
+];