Add godot client to blackholio

[krazyjakee]

Description of Changes

Migrated from: clockworklabs/Blackholio#29

Adds a Godot client

• Godot 4.4.1 stable
• Logic is as close to the unity client as possible.
• Uses Godot compatibility-mode to support web/websocket deployment
• Uses the Godot spacetimedb sdk https://github.com/flametime/Godot-SpacetimeDB-SDK

Expected complexity level and risk

1 out of 5 (Trivial)

Testing

• Run a local blackholio server
• launch the Godot client in godot 4.4.1
• press F5 (Play)

[CLAassistant]

All committers have signed the CLA.

[bfops]

Thank you for migrating this from the Blackholio repo, and sorry again for the unceremonious jolt on the old PR! We'll work on getting someone (@jdetter) to look at this.

[l3dotdev]

I think we should probably wait till the Godot SDK is more stable before we merge this in!