new: Added jina clip text embedding

[hh-space-invader]

Adding jinaai/jina-clip-v1
They provided two examples, the first one works and the second one complains about missing jinaai/jina-clip-v1/sentence_xlnet_config.json. The output of the first one seems to have small numbers, like they are normallized but its not mentioned so not sure tbh.

Update:
The text model needs pooling and normalizing
The image model needs the image to be square

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[joein]

we already have resize, let's not introduce new functions, we can add an additional parameter like preserve_aspect_ratio or something like this to resize.
If it's false then we should just resize image to the required size (preserving aspect ratio is useful when later we have crop)

[joein]

Suggested change

	if config.get("do_normalize", False) or ("mean" in config and "std" in config):
	transforms.append(
	Normalize(
	mean=config.get("image_mean", config.get("mean")),
	std=config.get("image_std", config.get("std")),
	)
	)
	if config.get("do_normalize", False):
	transforms.append(Normalize(mean=config["image_mean"], std=config["image_std"]))
	elif "mean" in config and "std" in config:
	transforms.append(Normalize(mean=config["mean"], std=config["std"]))