add worker bindings

[xtuc]

Description

This change adds Worker binding for the worker publish api. It's currently called service in the API but will change before GA.

Has your change been tested?

Tested in my app.

Types of changes

What sort of change does your code introduce/modify?

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.
• This change is using publicly documented (api.cloudflare.com or developers.cloudflare.com) and stable APIs.

[sodabrew]

Hello, I wonder if you had a chance to try #849 which implements the same bindings.

[ObsidianMinor]

The name ended up not changing, so these are still called service bindings.