feat: initialize core, gui-eframe, and tui-ratatui crates and use them in the multibinary

gui-eframe/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "ac-qu-ai-nt-gui-eframe"
+version = "0.0.1"
+edition = "2021"
+rust-version = "1.76"
+
+authors = { workspace = true }
+license = { workspace = true }
+repository = { workspace = true }
+
+[features]
+default = ["tracing"]
+tracing = ["dep:tracing"]
+
+[dependencies]
+tracing = { workspace = true, optional = true }

gui-eframe/src/lib.rs

@@ -0,0 +1,4 @@
+pub fn main() {
+    #[cfg(feature = "tracing")]
+    tracing::info!("Hello from the eframe-based GUI!");
+}

gui-eframe/src/main.rs

@@ -0,0 +1 @@
+use ac_qu_ai_nt_gui_eframe::main;