overview explanation

Author: ShMcK

_posts/overview/2016-01-02-ecosystem.md

@@ -5,4 +5,10 @@ categories:
 - overview
 ---
 
-Coming soon...
+CodeRoad is built out of several packages, visualized below:
+
+![Module Overview](./images/modules.png){: .fluid-image}
+
+**Atom-CodeRoad** & **Builder-CodeRoad** are both Atom packages that share a lot of the same NPM dependencies from **Core** and **CLI**.
+
+Each **Tutorial** also requires a **Runner**, which specifies both the programming language and test framework used. Both Tutorials & Runners are NPM packages as well.

_sass/_custom.scss

@@ -17,7 +17,9 @@ a.smooth:hover {
   }
 }
 
-
+.fluid-image {
+  width: 90%;
+}
 
 /* Portrait */
 @media (max-width: 850px) {