added camera style presets and controls

[sakibulalam]

added controls for camera angles and distance (dropdown selects with weight inputs on Settings tab) which adds additional prompts similar to styles. The camera prompts are added before the styles are added.

[kyeno]

This is great. Should be slightly finetuned and merged.

[sakibulalam]

This is great. Should be slightly finetuned and merged.

any suggestions on what sort of fine tuning?

[Chandima1990]

this is going to be merged?