Summary: Runware adds ControlNet preprocess tool

Why It Matters: This change shows Runware is adding more tools for image editing.

What Changed:

• The "Tools" section was updated.
• "Background removal" changed to "Remove background".
• "Upscaling" changed to "Upscale".
• "Image captioning" changed to "Caption".
• "ControlNet Tools" changed to "ControlNet preprocess".
• The number of models increased from 312,877 to 312,880.
• The JSON code examples for image editing tools were updated to reflect the new names ("upscale", "removeBackground", "caption").