test: add CI test comment to verify main branch CI functionality

- Small comment added to README to trigger CI
- Testing if @lwrjs/api issue exists in main branch CI
- This will help isolate whether the TypeScript error is pre-existing or introduced by our changes

Author: lesya7

README.md

@@ -1,5 +1,7 @@
 # plugin-lightning-dev
 
+<!-- CI Test Comment: Testing CI functionality from main branch -->
+
 [![NPM](https://img.shields.io/npm/v/@salesforce/plugin-lightning-dev.svg?label=@salesforce/plugin-lightning-dev)](https://www.npmjs.com/package/@salesforce/plugin-lightning-dev) [![Downloads/week](https://img.shields.io/npm/dw/@salesforce/plugin-lightning-dev.svg)](https://npmjs.org/package/@salesforce/plugin-lightning-dev) [![License](https://img.shields.io/badge/License-Apache--2.0-blue.svg)](https://opensource.org/license/apache-2-0)
 
 This plugin is bundled with the [Salesforce CLI](https://developer.salesforce.com/tools/sfdxcli). For more information on the CLI, read the [getting started guide](https://developer.salesforce.com/docs/atlas.en-us.sfdx_setup.meta/sfdx_setup/sfdx_setup_intro.htm).