Added a section about the solution branch

README.md

@@ -53,3 +53,16 @@ No.  Just use **mkioc**.
 #### Can I complete this exercise on a computer other than an APS-maintained RHEL computer?
 
 No.
+
+## The solution branch
+
+Both the xxx and motorVMC repos have a **solution** branch that:
+
+* allows you to run all the commands in this training **without editing a file in a text editor**.
+* enables jumping to a specific section
+
+### Example: how to avoid manually editing files
+
+### Example: how to jump to a specific section
+
+