Raw-rs: Add preprocessing and demosaicing steps (#1796)

* add subtract black step

* add scale colors step

* add raw to image step

* implement linear demosiacing and fix errors in previous code

* fix missing variable

* make dependencies of tests optional

* fix error in raw-rs tests

* fix typo in "demosiacing"

* use camera data from ADC and remove downloader

* cargo fmt

* use file_stem instead of file_name

* remove old camera data

* use equality instead of subtring to find model

* store camera_to_xyz in decimal form

* Code review

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Co-authored-by: Keavon Chambers <keavon@keavon.com>

Cargo.toml

@@ -19,6 +19,7 @@ members = [
 	"libraries/bezier-rs",
 	"libraries/raw-rs",
 	"libraries/raw-rs/tag-derive",
+	"libraries/raw-rs/build-camera-data",
 	"website/other/bezier-rs-demos/wasm",
 ]
 exclude = ["node-graph/gpu-compiler"]