chore: project scaffolding

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013gwc3aCiyQxmCWQke8RvEz

.env.example

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+PORT=3000
+DB_PATH=./data/korting.db
+BASIC_AUTH_USER=admin
+BASIC_AUTH_PASS=change-me
+SMTP_HOST=mail.sjoerd.app
+SMTP_PORT=587
+SMTP_USER=
+SMTP_PASS=
+SMTP_FROM=korting@sjoerd.app
+NOTIFY_EMAIL=openai@sjoerddev.com

.gitignore

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+node_modules/
+data/
+.env

package.json

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+{
+  "name": "korting",
+  "version": "1.0.0",
+  "private": true,
+  "description": "Dagelijkse prijstracker die mailt bij prijswijzigingen",
+  "main": "server.js",
+  "scripts": {
+    "start": "node server.js",
+    "test": "node --test test/*.test.js"
+  },
+  "dependencies": {
+    "better-sqlite3": "^11.3.0",
+    "cheerio": "^1.0.0",
+    "express": "^4.19.2",
+    "express-basic-auth": "^1.2.1",
+    "node-cron": "^3.0.3",
+    "nodemailer": "^6.9.14"
+  },
+  "devDependencies": {
+    "supertest": "^7.0.0"
+  }
+}

test/smoke.test.js

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+const test = require('node:test');
+const assert = require('node:assert/strict');
+
+test('smoke test runs', () => {
+  assert.ok(true);
+});