If you just want the templates without the extension, check the https://github.com/redwyre/UnityTemplates/tree/just_templates branch
To download the extension search for "redwyre.UnityTemplates" in visual studio or download from https://marketplace.visualstudio.com/items?itemName=redwyre.UnityTemplates.
This extension gives you a number of template for Unity development:
General:
- MonoBehaviour
- ScriptableObject
- StateMachineBehaviour
- Class (C# class with Unity relevant usings)
- Assembly Definition
- Assembly Definition Reference
DOTS/ECS
- Aspect
- Authoring Component
- IBufferElementData
- ICleanupComponentData
- IComponentData (unmanaged and managed)
- IEnableableComponent
- IJob
- IJobFor
- IJobParallelFor
- ISharedComponentData
- ISystem
- SystemBase