Add support for multiline commit messages

[dnaploszek]

Is your feature request related to a problem? Please describe.
In our project we want to fully automate the release process for design tokens. In order to do that consistently we wanted to use the Conventional commits standard to flag Breaking changes and patch/minor/major Semanting Versioning changes.
To flag Breaking Changes we need the multiline commits (so the breaking change is described in the footer of the commit).
Right now:

• hitting enter immediately does the commit in the plugin.
• copying and pasting the multiline commit message transforms the endline into spaces.

Describe the solution you'd like
Instead of a text input for the commit message it would be cool if it could be Text area that allows multiline input.

Describe alternatives you've considered
Allow copying and pasting with newlines as a quick solution perhaps?