Epic safe launch (#85)

This feature lets users force some Epic Games to be launched through the Epic Launcher

src/egs/manifest_item.rs

@@ -31,6 +31,9 @@ pub(crate) struct ManifestItem {
 
     #[serde(alias = "ExpectingDLCInstalled")]
     pub expected_dlc: Option<HashMap<String, bool>>,
+
+    #[serde(default)]
+    pub safe_launch: bool,
 }
 
 fn exe_shortcut(manifest: ManifestItem) -> ShortcutOwned {
@@ -96,7 +99,18 @@ impl ManifestItem {
             self.catalog_namespace, self.catalog_item_id, self.app_name
         )
     }
+
+    pub fn get_key(&self) -> String{
+        format!(
+            "{}-{}-{}",
+            self.catalog_namespace, self.catalog_item_id, self.app_name
+        )
+    }
+
     fn needs_launcher(&self) -> bool {
+        if self.safe_launch{
+            return true;
+        }
         match (&self.is_managed, &self.expected_dlc) {
             (true, _) => true,
             (false, Some(map)) => !map.is_empty(),