Add CS1 book to supplemental reading books list

Author: cashaffer

app/views/home/books.html.haml

@@ -66,6 +66,11 @@
   Supplemental reading versions:
 
 %ul
+  %li
+    - url = @config_url + '/OpenDSA/Books/IntroToSoftwareDesign/index.html'
+    %a{ href: url , target: "_blank" }
+      An objects-first CS1 course
+
   %li
     - url = @config_url + '/OpenDSA/Books/CS2/index.html'
     %a{ href: url , target: "_blank" }
@@ -85,8 +90,7 @@
   %li
     - url = @config_url + '/OpenDSA/Books/CS3notes/index.html'
     %a{ href: url, target: "_blank" }
-      Coursenotes form of presentation slides for "CS3" course on Data
-    Structures. 
+      Coursenotes form of presentation slides for "CS3" course on Data Structures. 
 
   %li
     - url = @config_url + '/OpenDSA/Books/CS4104/index.html'