Add winget package for packed-mn

[ronaldtse]

Winget is the default command-line package manager in Windows 10.

wingetcreator from Microsoft to create a manifest for winget:

• https://github.com/microsoft/winget-create

• https://www.dolthub.com/blog/2021-10-13-how-to-publish-winget-chocolatey-packages-with-github-actions/

• Sample of how others package their code in winget: https://github.com/dolthub/windows-msi-creator

[ronaldtse]

Our investigation was done at https://github.com/metanorma/chocolatey-metanorma/issues/62

From there:

@CAMOBAP we can wrap metanorma in an installation package using MSIX (https://github.com/microsoft/msix-packaging), which also allows us to code sign the package.

[CAMOBAP]

Related ticket https://github.com/metanorma/winget-metanorma/issues/1

[CAMOBAP]

https://github.com/microsoft/winget-pkgs/pull/168143

[CAMOBAP]

First package was released on winget https://github.com/microsoft/winget-pkgs/pull/168143#event-14018677917