Add "GitHub Flow" summary

jordanmccullough · jordanmccullough · commit e5cc1584c22d · 2015-01-03T21:22:45.000-07:00
diff --git a/foundations/index.md b/foundations/index.md
@@ -318,6 +318,8 @@ Just as with the Git technology operating on GitHub, local repositories also use
 
 ## Exploring the GitHub Flow
 
+Discover the simplicity and flexibility in Git-based collaboration **workflows** with context-specific sets of changes and code review via pull requests
+
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