chore(config): update speaches config and ignore sveltekit dashboard

- Simplified .env.example to use localhost SPEACHES_URL
- Removed unused prod_url from SpeachesSettings config
- Added dashboard node_modules and build dirs to .gitignore
- Streamlines local development setup

dashboard/package.json

@@ -0,0 +1,24 @@
+{
+  "name": "hold-slayer-dashboard",
+  "version": "0.1.0",
+  "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-static": "^3.0.8",
+    "@sveltejs/kit": "^2.16.0",
+    "@sveltejs/vite-plugin-svelte": "^5.0.3",
+    "@tailwindcss/vite": "^4.1.3",
+    "@types/node": "^25.8.0",
+    "svelte": "^5.25.3",
+    "svelte-check": "^4.1.4",
+    "tailwindcss": "^4.1.3",
+    "typescript": "^5.8.3",
+    "vite": "^6.2.5"
+  }
+}