feat: Ch07 Spread Spectrum

Signed-off-by: Philipp Le <philipp@philipple.de>
Change-Id: I3ea4bad564b5ef4c7b2509795ab5bac27b0eecd5
diff --git a/dcs/frames/groups.py b/dcs/frames/groups.py
index 4a5a0f2..7db939d 100644
--- a/dcs/frames/groups.py
+++ b/dcs/frames/groups.py
@@ -25,3 +25,7 @@
 
 class Ch06Group(Group):
     NAME = 'Chapter 06'
+
+
+class Ch07Group(Group):
+    NAME = 'Chapter 07'