Add missing Unity meta files for runtime transform handles scripts

[Copilot]

Git import reported missing .meta assets for key runtime scripts, breaking type resolution for colliders and transform grouping.

• Changes
  • Added .meta files for ColliderControllerBase.cs, HandleAxesExtensions.cs, and TransformGroup.cs in the runtime package.

Packages/runtime-transform-handles/Runtime/Scripts/Colliders/ColliderControllerBase.cs.meta
Packages/runtime-transform-handles/Runtime/Scripts/Enums/HandleAxesExtensions.cs.meta
Packages/runtime-transform-handles/Runtime/Scripts/TransformGroup.cs.meta

Original prompt

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This section details on the original issue you should resolve

<issue_title>Error when importing package via git url</issue_title>
<issue_description>Hello, thank you for providing this helpful package!

I encounter several errors when adding this package to my unity project by git url.

Console Errors:

Asset Packages/com.orkunmanap.runtime-transform-handles/Runtime/Scripts/Colliders/ColliderControllerBase.cs has no meta file, but it's in an immutable folder. The asset will be ignored.
Asset Packages/com.orkunmanap.runtime-transform-handles/Runtime/Scripts/Enums/HandleAxesExtensions.cs has no meta file, but it's in an immutable folder. The asset will be ignored.
Asset Packages/com.orkunmanap.runtime-transform-handles/Runtime/Scripts/TransformGroup.cs has no meta file, but it's in an immutable folder. The asset will be ignored.

Library\PackageCache\com.orkunmanap.runtime-transform-handles@55132f4c7c\Runtime\Scripts\Colliders\ConeColliderController.cs(9,43): error CS0246: The type or namespace name 'ColliderControllerBase' could not be found (are you missing a using directive or an assembly reference?)
Library\PackageCache\com.orkunmanap.runtime-transform-handles@55132f4c7c\Runtime\Scripts\Colliders\TubeColliderController.cs(9,43): error CS0246: The type or namespace name 'ColliderControllerBase' could not be found (are you missing a using directive or an assembly reference?)
Library\PackageCache\com.orkunmanap.runtime-transform-handles@55132f4c7c\Runtime\Scripts\Colliders\TorusColliderController.cs(9,44): error CS0246: The type or namespace name 'ColliderControllerBase' could not be found (are you missing a using directive or an assembly reference?)
Library\PackageCache\com.orkunmanap.runtime-transform-handles@55132f4c7c\Runtime\Scripts\TransformHandleManager.cs(533,39): error CS0246: The type or namespace name 'TransformGroup' could not be found (are you missing a using directive or an assembly reference?)
Library\PackageCache\com.orkunmanap.runtime-transform-handles@55132f4c7c\Runtime\Scripts\TransformHandleManager.cs(50,36): error CS0246: The type or namespace name 'TransformGroup' could not be found (are you missing a using directive or an assembly reference?)
Library\PackageCache\com.orkunmanap.runtime-transform-handles@55132f4c7c\Runtime\Scripts\TransformHandleManager.cs(51,35): error CS0246: The type or namespace name 'TransformGroup' could not be found (are you missing a using directive or an assembly reference?)

Environment:

• Unity Editor Version: 2022.3.62f2
  </issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Error when importing package via git url #4

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[AustinSullivanVRIFY]

Just tested via package manager in Unity 6.2 and the errors have been resolved.