The plugin is currently in the review queue on WordPress.org.
This is a no-settings plugin, so installation is very straightforward.
Search for "Photo Block" and add the block using the WordPress admin in the Add New plugin section.
Head to the official plugin repository on WordPress.org and download the latest release.
Once you've downloaded photo-block.zip, head to Plugins->Add New in the plugins screen in the WordPress admin.
Click on "Upload Plugin."
Choose the downloaded photo-block.zip file and override any previous plugins that may have existed.
Once the plugin is installed, make sure it is activated.
There are no settings for this plugin, and it should be ready for use in the block editor.
