Site Announcement Block Managed in Settings
Adds an "Announcement" text field to Settings > General and a block that displays it, so you can place the block on many pages and change the message everywhere from one setting.
Snippet Library
Block Editor snippets for WordPress
Snippets for the block editor: disable or limit blocks, lock patterns, set default blocks, change the editor width and add block styles. For developers and agencies who want a focused, client-proof editing experience.