STDTC-115 point package.json's main at lib/index.js (#313)

Whoops, typo: main pointed to `src/index.js`, which doesn't exist,
instead of `lib/index.js`, which does.

Refs STDTC-115

CHANGELOG.md

@@ -7,6 +7,7 @@
 * React v19: refactor away from unmountComponentAtNode. Refs STDTC-112
 * React v19: refactor away from ReactDOM.render. Refs STDTC-111
 * Add showSortIndicator prop to JobLogs component. Refs STDTC-116.
+* Point `package.json`'s `main` to `lib/index.js`. Refs STDTC-115.
 
 ## [6.1.1](https://github.com/folio-org/stripes-data-transfer-components/tree/v6.1.1) (2024-04-19)
 [Full Changelog](https://github.com/folio-org/stripes-data-transfer-components/compare/v6.1.0...v6.1.1)

package.json

@@ -2,7 +2,7 @@
   "name": "@folio/stripes-data-transfer-components",
   "version": "6.1.1",
   "description": "Shared components for ui-data-import and ui-data-export projects",
-  "main": "src/index.js",
+  "main": "lib/index.js",
   "repository": "folio-org/stripes-data-transfer-components",
   "publishConfig": {
     "registry": "https://repository.folio.org/repository/npm-folio/"