(maint) Add global components to .gitignore

This adds the global components that are generated by choco-theme to the
.gitignore file. These should not be committed to the repository since
they are generated at build time.

Author: st3phhays

.gitignore

@@ -50,6 +50,7 @@ public/fonts
 public/scripts
 public/styles
 public/images/global-shared
+src/components/global
 
 # general
 apple-touch-*.png