Merger ram usage

Add bracket checking functionality to the txt2img/img2img prompts

macOS install improvements

Reinstate DDPM V1 to LDSR

Patch UNet Forward to support resolutions that are not multiples of 64

Bug fix (a few lines in modules/api/api.py)

Make "# settings changed" grammatically correct

Depth2Img model support: resolves #5372, partially addresses #5011

Make the ": " in the settings changed message not show if 0 settings were changed.
"0 settings changed: ." -> "0 settings changed."

Set install_dir to a correct value for macOS. Thanks to @Ephil012 for pointing out this is needed.

maximum of 2 models loaded at once. delete unneeded model before next
step. fix 'teritary' -> 'tertiary'. gracefully fail when "add
difference" is selected without a tertiary model

Add macOS (Darwin) installation defaults

[CLIP interrogator] use local file, if available

add support for adding upscalers in extensions
move LDSR, ScuNET and SwinIR to built-in extensions

Adds an addition file to read environment variables from when the webui.sh is run from macOS.

fix #3451 scripts ignores file format settings for grids

Fix issue with 16xx cards

Slightly improve page scroll jumping with focus

Fixed incorrect negative prompt text in infotext

Fixes #4137 caused by race condition in training when VAE is unloaded

add `--gradio-inpaint-tool` and option to specify `color-sketch`

Use devices.autocast() and fix MPS randn issues