fix: 🐛 Added basic error handling for path error

When a user creates a file with a dash the app breaks. This change lets
the user know that you can not use dashes in file names.

Author: benhalverson

src/main.js

@@ -177,6 +177,10 @@ const addAttributes = (_element) => {
 };
 
 const loadLayerImg = async (_layer) => {
+  if(_layer.selectedElement.path.includes('-')) {
+    throw new Error('layer name can not contain dashes');
+  }
+
   return new Promise(async (resolve) => {
     const image = await loadImage(`${_layer.selectedElement.path}`);
     resolve({ layer: _layer, loadedImage: image });