Switch to TypeORM's DataSource API (#299)

- Switch to TypeORM's DataSource API, rather than using the now deprecated ormconfig.json
- This will fix stage deployment not knowing how to deploy the database migrations

#297

> **NOTE:** This change requires the deployment scripts to be updated, please update them on the server before merging

Co-authored-by: Ethan Lane <ethan@vylpes.com>
Reviewed-on: https://gitea.vylpes.xyz/RabbitLabs/vylbot-app/pulls/299

scripts/deploy_prod.sh

@@ -13,7 +13,6 @@ cd ~/apps/vylbot/vylbot_prod \
 && (pm2 stop vylbot_prod || true) \
 && (pm2 delete vylbot_prod || true) \
 && cp .prod.env .env \
-&& cp ormconfig.prod.json ormconfig.json \
 && yarn clean \
 && yarn install --frozen-lockfile \
 && yarn build \

scripts/deploy_stage.sh

@@ -13,7 +13,6 @@ cd ~/apps/vylbot/vylbot_stage \
 && (pm2 stop vylbot_stage || true) \
 && (pm2 delete vylbot_stage || true) \
 && cp .stage.env .env \
-&& cp ormconfig.stage.json ormconfig.json \
 && yarn clean \
 && yarn install --frozen-lockfile \
 && yarn build \