chore: initial scaffold

Vite + Vue 3 + DaisyUI SPA (project picker + Slack avatar member grid) with a
TypeScript/Node (Hono) backend proxying Napta + Slack, SQLite avatar cache via
node:sqlite, and docker-compose for Coolify deploy.

docker-compose.yml

@@ -0,0 +1,22 @@
+services:
+  web:
+    build: .
+    ports:
+      - "80:80"
+    depends_on:
+      - api
+
+  api:
+    build: ./backend
+    environment:
+      - PORT=8000
+      - DB_PATH=/app/data/app.db
+      # Set these as env vars on the Coolify app to switch from demo fixtures
+      # to live data. Empty -> the backend serves fixtures.
+      - NAPTA_API_TOKEN=${NAPTA_API_TOKEN:-}
+      - NAPTA_BASE_URL=${NAPTA_BASE_URL:-https://app.napta.io/api/v1}
+      - SLACK_BOT_TOKEN=${SLACK_BOT_TOKEN:-}
+    volumes:
+      - ./data:/app/data
+    ports:
+      - "8000:8000"