feat(notgraph): scaffold crate with lib+bin targets

Cargo.toml

@@ -8,6 +8,7 @@ members = [
     "crates/notsecrets",
     "crates/nothooks",
     "crates/notstrap",
+    "crates/notgraph",
     "tests/integration",
 ]
 resolver = "2"

crates/notgraph/Cargo.toml

@@ -0,0 +1,22 @@
+[package]
+name    = "notgraph"
+version = "0.1.0"
+edition = "2024"
+license.workspace = true
+
+[lib]
+name = "notgraph_lib"
+path = "src/lib.rs"
+
+[[bin]]
+name = "notgraph"
+path = "src/main.rs"
+
+[dependencies]
+anyhow         = { workspace = true }
+clap           = { workspace = true }
+serde          = { workspace = true }
+serde_json     = "1"
+cargo_metadata = "0.18"
+syn            = { version = "2", features = ["full", "visit"] }
+walkdir        = "2"

crates/notgraph/src/lib.rs

@@ -0,0 +1 @@
+pub mod types;

crates/notgraph/src/main.rs

@@ -0,0 +1,3 @@
+fn main() {
+    println!("notgraph");
+}

crates/notgraph/src/types.rs

@@ -0,0 +1 @@
+// types defined in Task 2