chore(db): use pseudo random naming for folder databases

internal/db/sqlite/sql/schema/folder/00-devices.sql

@@ -0,0 +1,12 @@
+-- Copyright (C) 2025 The Syncthing Authors.
+--
+-- This Source Code Form is subject to the terms of the Mozilla Public
+-- License, v. 2.0. If a copy of the MPL was not distributed with this file,
+-- You can obtain one at https://mozilla.org/MPL/2.0/.
+
+-- devices map device IDs as used by Syncthing to database device indexes
+CREATE TABLE IF NOT EXISTS devices (
+    idx INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    device_id TEXT NOT NULL UNIQUE COLLATE BINARY
+) STRICT
+;