get rid of shell script to launch game on steamos (#22)

Cargo.toml

@@ -2,6 +2,7 @@
 name = "hedz_reloaded"
 version = "0.1.0"
 edition = "2024"
+build = "build.rs"
 
 [profile.dev.package."*"]
 opt-level = 3

build.rs

@@ -0,0 +1,4 @@
+fn main() {
+    #[cfg(target_os = "linux")]
+    println!("cargo:rustc-link-arg=-Wl,-rpath,$ORIGIN");
+}

build/steamos/redist/launch.sh

@@ -1,4 +0,0 @@
-#!/bin/sh
-
-export LD_LIBRARY_PATH="."
-./hedz_reloaded "$@"

build/steamos/scripts/hedz.vdf

@@ -32,12 +32,6 @@
 				"LocalPath" "../redist/libsteam_api.so"
 				"DepotPath" "."
 			}
-
-			"FileMapping"
-			{
-				"LocalPath" "../redist/launch.sh"
-				"DepotPath" "."
-			}
 		}
 	}
 }