[Module Proposal]: `avm/ptn/dev-center/dev-box`

### Check for previous/existing GitHub issues/module proposals

- [X] I have checked for previous/existing GitHub issues/module proposals.

### Check this module doesn't already exist in the module indexes

- [X] I have checked for that this module doesn't already exist in the module indexes; or I'm proposing the module to be migrated from CARML/TFVM.

### Bicep or Terraform?

Bicep

### Module Classification?

Pattern Module

### Module Name

avm/ptn/dev-center/dev-box

### Module Details

The proposed pattern module is for a deployment of DevBox, to be used as an accelerator for customers wanting to onboard developers quickly.
• Resources required:
• Virtual networks
• Compute galleries
• Dev centres and sub resources ( I.e Projects, catalogs, attached networks,. Definitions, environments)

### Do you want to be the owner of this module?

Yes

### Module Owner's GitHub Username (handle)

timfurnival-MSFT

### (Optional) Secondary Module Owner's GitHub Username (handle)

_No response_