João Carmo Pereira

This plugin will add a new copy to clipboard functionality to Gutenberg Code Block. 
It will add a copy button at the top right corner of the block. After clicked, it will select the text, copy to clipboard, and after copy it will deselect the copied text. No markup here.
This plugin makes use of two javascript libraries: 
Clipboard.js and Prism.js

Carmo Copy to Clipboard

This plugin will add a new copy to clipboard functionality to Gutenberg Code Block.

This plugin will add simple sticky notes in the WordPress admin bar.
The recorded snippets on this notes will be able to utilize across the each management screen.
Of course, if you enable the admin bar, it can also be used in the WEB frontend.

Custom Sticky Notes

The current version of this plugin, over a year old, has prohibited plugin behavior.
It ends up loading versions of jQuery or jQuery components directly from Google, which is breaking some other plugins that rely on the current standard version of jQuery from WP.

Current Version has Bad Behavior

Add simple sticky notes in the WordPress admin bar.

Carmo Copy to Clipboard vs Custom Sticky Notes