clear image instead of shutting down the device

src/device.rs

@@ -192,7 +192,9 @@ impl Device {
             self.selected_space = Some(name)
         }
         self.drop();
-        self.device.reset().await.unwrap();
+        for key in 0..self.device.kind().key_count() {
+            self.device.clear_button_image(key).await.unwrap();
+        }
         self.init_modules().await;
     }
 

src/helper.rs

@@ -0,0 +1,11 @@
+// various functions useful for internal parsing or other things
+
+/// Error for any kind of parsing
+pub enum ParseError {
+    /// Generic error -> something is wrong
+    UnexpectedValue
+}
+
+pub fn hex_to_rgb(hex: String) -> Result<image::Rgb<u8>, ParseError> {
+    
+}