brainreg docs

Author: adamltyson

SUMMARY.md

@@ -50,6 +50,16 @@
   * [Registration parameters](amap/getting-started/registration-parameters.md)
 * [Downloading files](amap/downloading-files.md)
 
+## brainreg
+
+* [Introduction](brainreg/introduction.md)
+* [Installation](brainreg/installation.md)
+* [User guide](brainreg/getting-started/README.md)
+  * [Image orientation](brainreg/getting-started/image-orientation.md)
+  * [Registration parameters](brainreg/getting-started/registration-parameters.md)
+* [Downloading files](brainreg/downloading-files.md)
+
+
 ## neuro
 
 * [Introduction](neuro/introduction.md)