Split playground into gpui2 and storybook

crates/storybook/Cargo.toml

@@ -0,0 +1,23 @@
+[package]
+name = "storybook"
+version = "0.1.0"
+edition = "2021"
+publish = false
+
+[[bin]]
+name = "storybook"
+path = "src/storybook.rs"
+
+[dependencies]
+gpui2 = { path = "../gpui2" }
+anyhow.workspace = true
+log.workspace = true
+rust-embed.workspace = true
+serde.workspace = true
+settings = { path = "../settings" }
+simplelog = "0.9"
+theme = { path = "../theme" }
+util = { path = "../util" }
+
+[dev-dependencies]
+gpui2 = { path = "../gpui2", features = ["test-support"] }