Consolidate desktop controls with editable holidays and a running-window tray

crates/ferese-config/Cargo.toml

@@ -15,6 +15,7 @@ regex = "1.12"
 ferese-panel = { path = "../ferese-panel" }
 ferese-theme-model = { path = "../ferese-theme-model" }
 jiff.workspace = true
+rhai = { version = "1.27", features = ["sync"] }
 kdl = "6.7.1"
 serde.workspace = true
 serde_json.workspace = true