stub out descriptions and titles for potential custom builds

docs/getting-started/download.md

@@ -5,6 +5,22 @@ title: Download
 
 Bootstrap is available for download via ZIP file in two flavors: precompiled CSS and Javascript, and the complete source code with documentation.
 
+## Optional builds
+
+### Scaffolding only
+Just our global CSS resets, including Normalize and more. No custom CSS components or JavaScript.
+
+### Grid only
+Literally just our grid container and columns. No global CSS resets, custom CSS components, or JavaScript.
+
+### Individual components
+Choose what CSS and JS components to download and customize further for your own use. Include the global CSS resets.
+
+### Kitchen sink
+Download the entire project and quickly get developing. Includes all CSS and JavaScript, including the source files and basic build tools.
+
+---
+
 ### Precompiled
 
 Compiled and minified CSS and JavaScript. No docs or original source files are included.