feat: Initialize Rust project structure

- Set up basic Cargo project with tracker-rs name
- Initialize source directory with main.rs template
- Establish foundation for Rust rewrite of system tracker

Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "tracker-rs"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

src/main.rs

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