Add extension to Open VSX Registry

[remusa]

The extension can't be found in Open VSX Registry.

[elgalu]

+1 as this would make it much easier to use the extension in project such as

• gitpod.io
• theia-ide.org
• VS Codium
• code-server

thanks in advance

[glaucocustodio]

I started using Generic Expand Selection and recommend it