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.

backend/Dockerfile

@@ -0,0 +1,11 @@
+# Node 24 runs TypeScript directly (type stripping) and ships node:sqlite
+# built in — so no build step, no tsx, no native sqlite module needed.
+FROM node:24-alpine
+WORKDIR /app
+COPY package.json pnpm-lock.yaml* ./
+RUN corepack enable && pnpm install --prod --frozen-lockfile
+COPY . .
+ENV PORT=8000
+ENV DB_PATH=/app/data/app.db
+EXPOSE 8000
+CMD ["node", "src/index.ts"]