Another attempt at fixing deployment -- added exclude vendor directiv…

…e to config

_config.yml

@@ -34,9 +34,10 @@ theme: minima
 # Exclude from processing.
 # The following items will not be processed, by default. Create a custom list
 # to override the default setting.
+exclude: [vendor]
 exclude:
   - assignments/
-  # - Gemfile.lock
+#   - Gemfile.lock
 #   - node_modules
 #   - vendor/bundle/
 #   - vendor/cache/