feat: added loader and appropriate build scripts

sparse-installer/Cargo.toml

@@ -0,0 +1,6 @@
+[package]
+name = "sparse-installer"
+edition = "2024"
+version.workspace = true
+
+[dependencies]

sparse-installer/src/main.rs

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