Add launch_command to epic shortcuts

src/egs/manifest_item.rs

@@ -1,3 +1,5 @@
+use std::path::Path;
+
 use serde::{Deserialize, Serialize};
 use steam_shortcuts_util::{Shortcut, shortcut::ShortcutOwned};
 
@@ -17,14 +19,18 @@ pub(crate) struct ManifestItem {
 
     #[serde(alias = "AppName")]
     pub app_name: String,
+
+    #[serde(alias = "LaunchCommand")]
+    pub launch_command: String,
 }
 
+
+
 impl From<ManifestItem> for ShortcutOwned {
     fn from(manifest: ManifestItem) -> Self {
-        let exe = format!(
-            "\"{}\\{}\"",
-            manifest.install_location, manifest.launch_executable
-        );
+        
+        let exe_path = Path::new(&manifest.install_location).join(manifest.launch_executable).to_string_lossy().to_string();
+        let exe = format!("\"{}\"",exe_path);                    
         let mut start_dir = manifest.install_location.clone();
         if !manifest.install_location.starts_with('"') {
             start_dir = format!("\"{}\"", manifest.install_location);
@@ -36,7 +42,7 @@ impl From<ManifestItem> for ShortcutOwned {
             start_dir.as_str(),
             "",
             "",
-            "",
+            manifest.launch_command.as_str(),
         );
         let mut owned_shortcut = shortcut.to_owned();
         owned_shortcut.tags.push("EGS".to_owned());