wip: add db classes; can't load SQLite driver.

apps/vdb-backend/src/config/dbconfig.ts

@@ -0,0 +1,15 @@
+import "reflect-metadata"
+import { DataSource } from "typeorm"
+import {Lemma, WordForm, Media, Example, Definition, Comment, PartOfSpeech, Lect} from "../db/dbmodel.js"
+
+const persistent_path = process.env.VI_DB_PERSISTENT_PATH || "./res";
+
+export const appDataSource = new DataSource({
+  type: "sqlite",
+  database:`${persistent_path}/dev.sqlite`,
+  synchronize: true,
+  logging: false,
+  entities: [Lemma, WordForm, Example, Media, Definition, Comment, PartOfSpeech, Lect],
+  migrations: [],
+  subscribers: [],
+})