move orm config to src folder

ref #2

src/ormconfig.ts

@@ -0,0 +1,11 @@
+import { config } from 'dotenv-safe';
+config();
+
+export default {
+	type: process.env.DB_TYPE,
+	host: process.env.DB_HOST,
+	port: process.env.DB_PORT,
+	username: process.env.DB_USER,
+	password: process.env.DB_PASSWORD,
+	database: process.env.DB_NAME
+};