Add composer install step and ACF Pro notes

README.md

@@ -77,6 +77,7 @@ Install theme dependencies and trigger an initial build.
 >Note: You will need to have Composer and NPM 8 installed first.
 
 ```bash
+composer i
 npm i
 ```
 
@@ -107,6 +108,8 @@ This will scaffold out a block inside of the `blocks` folder in the theme. Repla
 
 Note: If you don't see your new block available under the block listing in the editor after following the above steps, try changing the namespacing in your block's `block.json` to the following format `your-namespace/blockname` and check again.
 
+And make sure you have **ACF Pro** plugin installed to use the block.
+
 ## Contributing and Support
 
 Your contributions and [support tickets](https://github.com/WebDevStudios/wd_f/issues) are welcome. Please see our [contributing guidelines](https://github.com/WebDevStudios/wd_f/blob/main/CONTRIBUTING.md) before submitting a pull request.