Initial SvelteKit block explorer for Triangles blockchain

Full-featured explorer consuming the daemon REST API:
- Home dashboard with chain stats, latest blocks, staking info
- Block list with pagination and block detail pages
- Transaction detail with inputs/outputs tables
- Address lookup with balance, UTXOs, and tx history
- Staking dashboard with difficulty chart (Chart.js)
- Network info with peer table
- Mempool viewer
- API documentation page for all 30+ REST endpoints
- Search by block hash, height, txid, or address
- Dark theme with Tailwind CSS v4
- SSR via adapter-node for SEO

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

package.json

@@ -0,0 +1,27 @@
+{
+  "name": "triangles-explorer",
+  "version": "1.0.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite dev",
+    "build": "vite build",
+    "preview": "vite preview",
+    "check": "svelte-kit sync && svelte-check --tsconfig ./tsconfig.json"
+  },
+  "devDependencies": {
+    "@sveltejs/adapter-node": "^5.5.4",
+    "@sveltejs/kit": "^2.21.0",
+    "@sveltejs/vite-plugin-svelte": "^5.0.0",
+    "@tailwindcss/vite": "^4.0.0",
+    "svelte": "^5.20.0",
+    "svelte-check": "^4.1.0",
+    "tailwindcss": "^4.0.0",
+    "tslib": "^2.8.1",
+    "typescript": "^5.7.0",
+    "vite": "^6.2.0"
+  },
+  "dependencies": {
+    "chart.js": "^4.4.0"
+  }
+}