add tsconfig.json

bin/data-migrations/tsconfig.json

@@ -0,0 +1,8 @@
+{
+  "$schema": "http://json.schemastore.org/tsconfig",
+  "extends": "../../tsconfig.base.json",
+  "compilerOptions": {
+    "checkJs": true,
+    "strict": true,
+  }
+}