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/package.json

@@ -0,0 +1,19 @@
+{
+  "name": "photofetch-backend",
+  "version": "0.0.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "node --watch src/index.ts",
+    "start": "node src/index.ts",
+    "typecheck": "tsc --noEmit"
+  },
+  "dependencies": {
+    "@hono/node-server": "^2.0.6",
+    "hono": "^4.12.27"
+  },
+  "devDependencies": {
+    "@types/node": "^26.0.1",
+    "typescript": "^6.0.3"
+  }
+}