Bump api target to 35 - #40

…ntioned)

…ht need to change if we want a screen (composable) to stretch to full-screen in future)

…cloudy 0.2.7 and made other changes accordingly (like adding kotlin-compose plugin)

…a native-free pipeline:

1. Parse .acv files → build 256-entry LUTs per RGB channel.
2. Apply LUTs to a bitmap on CPU (parallelized + tiled options).
3. Optional real-time GPU preview via AGSL (Android 13+) using tiny 256×1 LUT textures — still no native libs.

EffectsModeUtils* now scales first, caches curves/LUTs, and emits previews in batches—API compatible with the UI.