Fix build scripts on MacOS (#9)

* Fix building on MacOS

* Simplify diff -- only need to omit a trailing slash on first dir

Author: vocksel

scripts/build-roblox-model.sh

@@ -11,8 +11,8 @@ build_with_darklua_config () {
 
     mkdir -p roblox
 
-    cp -rL node_modules/ roblox/
-    cp -r roblox-model/ roblox/
+    cp -rL node_modules roblox/
+    cp -r roblox-model roblox/
 
     for module_path in roblox/roblox-model/*; do
         module_name=$(basename $module_path)

scripts/build-wally-package.sh

@@ -6,7 +6,7 @@ rm -rf roblox/node_modules
 
 mkdir -p roblox
 
-cp -rL node_modules/ roblox/
+cp -rL node_modules roblox/
 
 ./scripts/remove-tests.sh roblox/node_modules