"set palette" function

src/lib.rs

@@ -94,6 +94,16 @@ pub fn set_room_name(room_name: String) {
     }
 }
 
+#[wasm_bindgen]
+pub fn set_palette(palette_id: String) {
+    let mut state = STATE.lock().unwrap();
+
+    match palette_id.is_empty() {
+        true  => { state.palette = None },
+        false => { state.palette = Some(palette_id) },
+    }
+}
+
 #[wasm_bindgen]
 pub fn add_room() -> String {
     let mut state = STATE.lock().expect("Couldn't lock application state");