Library & multiple binaries

Been playing with EGUI, and I'm gonna patch in a GUI app. The CLI
version will need to kick around, too, but be separate from the GUI one.
Enter: A multi-target crate!

Cargo.toml

@@ -5,6 +5,15 @@ edition = "2021"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
+[[bin]]
+name = "rustpt_cli"
+path = "src/cli_tool.rs"
+
+[[bin]]
+name = "rustpt_gui"
+path = "src/gui_tool.rs"
+
 [dependencies]
 rand = { version = "0.8.5", features = ["small_rng"] }
 itertools = { version = "0.11.0" }
+eframe = "0.25.0"