[feature] Implement the VSCode Editor gno plugin

[zivkovicmilos]

Description

This task concerns creating a VSCode language plugin for gno, so there can be full language support for features like IntelliSense.

• Relevant gnopls implementation

The development of this plugin should be on the gnolang org.
If you want to take up implementing this plugin, please reach out and we will create a repository for the work.

[amha-mersha]

Hello @zivkovicmilos, I really would like to work on this. Thou it is my first time contributing to open source, It will be a great learning experience.