* Add clipspace feature.
* feat: copy content to clipspace
* feat: paste content from clipspace

Extend validation to allow for validating annotated_path in addition to other parameters.

Add support for annotated_filepath in folder_paths function.

Generalize the '/upload/image' API to allow for uploading images to the 'input', 'temp', or 'output' directories.

* rename contentClipboard -> clipspace

* Do deep copy for imgs on copy to clipspace.

* add original_imgs into clipspace
* Preserve the original image when 'imgs' are modified

* robust patch & refactoring folder_paths about annotated_filepath

* Only show the Paste menu if the ComfyApp.clipspace is not empty

* instant refresh on paste

force triggering 'changed' on paste action

* subfolder fix on paste logic

attach subfolder if subfolder isn't empty

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Co-authored-by: Lt.Dr.Data <lt.dr.data@gmail.com>

 - Load custom nodes after creating server
 - Add routes after loading custom nodes
Custom nodes can now add routes via PromptServer.instance

 - model name, other basic settings
 - clip skip
 - hr upscale
 - loras
 - embeddings

Added --windows-standalone-build option, currently it only opens
makes the code open up comfyui in the browser.

Fixed jpg
Added dupe support
Changed to use existing nodes

Moved socket output updates to all node executions
Made image rendering on nodes more generic

Reworked sockets to use socketio
Added progress to nodes
Added highlight to active node
Added preview to saveimage node