Add VM grouping into projects or workspaces

[exedev-shelley]

Author: playful_gull_63320
Channel: #feedback
Link: https://discord.com/channels/1405685085923049482/1405686161791516873/1471456846979137639

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Feature Request

Allow grouping of VMs into projects or workspaces.

Context

This request comes alongside other feature requests for improved VM management, such as:

• Support for multiple VM names in exe.dev commands (restart, shelley install, cp, etc.)
• Better organization and querying of VMs

Grouping VMs into logical projects or workspaces would help users organize and manage related VMs more effectively.