Add database

src/lib/db.js

@@ -0,0 +1,10 @@
+const sqlite = require("better-sqlite3")
+const pj = require("path").join
+const fs = require("fs")
+
+const dir = pj(__dirname, "../../db")
+fs.mkdirSync(pj(dir, "backups"), {recursive: true})
+const db = new sqlite(pj(dir, "bibliogram.db"))
+module.exports = db
+
+require("./utils/upgradedb")()