add sd-queue

[nmygle]

Info

This is an extension that adds an API for queuing tasks. https://github.com/nmygle/sd-queue

Checklist:

• [x] I have read the Readme.md
• [x] The description is written in English.
• [x] The index.json and extension_template.json have not been modified.
• [x] The entry is placed in the extensions directory with the .json file extension.

[w-e-w]

nice, tested and working I assume that you will be implementing img2img reading your code briefly it should be trivial to implement img2img

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you extention seems to solve this Feature Request

• https://github.com/AUTOMATIC1111/stable-diffusion-webui/issues/16132

they asked the ability to be able to cancel generation tasks

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you had an extra comma in json

{
    "name": "sd-queue",
    "url": "https://github.com/nmygle/sd-queue.git",
    "description": "It is an extension that provides an API primarily for queuing tasks, using a simple task manager created with Pure Python's deque and threading.",
    "tags": [
        "script",     <----
    ]
}

[nmygle]

Thanks for the great job and corrections!