feat: initial smart home dashboard

- Next.js 14 + TypeScript + Tailwind CSS
- Glassmorphism design with ambient orbs
- Cards: Light x2, Temperature, AirPurifier, Tasks, Weather, Savings
- Home Assistant integration (demo mode if no token)
- Vikunja tasks API
- Pulse savings API
- wttr.in weather
- Framer Motion animations
- Dark/light theme toggle
- Bottom navigation
- Dockerfile for deployment

.gitignore

@@ -0,0 +1,35 @@
+# dependencies
+/node_modules
+/.pnp
+.pnp.js
+.yarn/install-state.gz
+
+# testing
+/coverage
+
+# next.js
+/.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+*.pem
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# local env files
+.env*.local
+.env
+
+# vercel
+.vercel
+
+# typescript
+*.tsbuildinfo
+next-env.d.ts