Docs: ROADMAP.md with milestones and estimates; README Craft family table

Co-Authored-By: Claude Opus 5.5 <[email protected]>

crates/develop/Cargo.toml

@@ -0,0 +1,18 @@
+[package]
+name = "lightcraft-develop"
+version.workspace = true
+edition.workspace = true
+license.workspace = true
+description = "LightCraft develop settings: the non-destructive edit model, control specs, presets (L1)"
+
+[lints]
+workspace = true
+
+[dependencies]
+lightcraft-geom = { workspace = true }
+lightcraft-color = { workspace = true }
+serde = { workspace = true }
+serde_json = { workspace = true }
+
+[dev-dependencies]
+proptest = { workspace = true }