[bugfix] Fix user settings opening (#5414)

* Create .gitattributes

* Fix projectPath URI decoding

* Try to enforce UTF-8 encoding on all files except Windows-specific
scripts

* edit file encoding

* edit gitattributes

* Update kcl-samples

* fmt

public/kcl-samples-manifest-fallback.json

@@ -34,6 +34,13 @@
     "title": "Car Wheel Assembly",
     "description": "A car wheel assembly with a rotor, tire, and lug nuts."
   },
+  {
+    "file": "main.kcl",
+    "pathFromProjectDirectoryToFirstFile": "color-cube/main.kcl",
+    "multipleFiles": false,
+    "title": "Color Cube",
+    "description": "This is a color cube centered about the origin. It is used to help determine orientation in the scene."
+  },
   {
     "file": "main.kcl",
     "pathFromProjectDirectoryToFirstFile": "cycloidal-gear/main.kcl",