Package RustRaptor and refine controls, menus, saves, sound and mod selection

build.rs

@@ -1,9 +0,0 @@
-fn main() {
-    println!("cargo:rerun-if-env-changed=HOME");
-    if let Ok(home) = std::env::var("HOME") {
-        let local = std::path::Path::new(&home).join(".local/lib");
-        if local.join("libSDL2.so").exists() {
-            println!("cargo:rustc-link-search=native={}", local.display());
-        }
-    }
-}