init: Scaffold expected crates with initial dependencies.

crates/pikl-core/Cargo.toml

@@ -0,0 +1,20 @@
+[package]
+name = "pikl-core"
+description = "Core library for pikl-menu. Filterable, hookable, streaming item list engine."
+version.workspace = true
+edition.workspace = true
+license.workspace = true
+
+[lints]
+workspace = true
+
+[dependencies]
+serde = { version = "1.0.228", features = ["derive"] }
+serde_json = "1.0.149"
+thiserror = "2.0.18"
+tokio = { version = "1.50.0", features = ["sync", "io-util", "rt"] }
+nucleo-matcher = "0.3.1"
+
+[dev-dependencies]
+tokio = { version = "1.50.0", features = ["sync", "process", "io-util", "rt", "macros", "rt-multi-thread"] }
+pikl-test-macros = { path = "../pikl-test-macros" }