Add new color pallets for course navigation panel

course/styles/gold.json

@@ -38,6 +38,16 @@
 					"color": "#A47A46",
 					"name": "Button Border - Hover",
 					"slug": "button-border-hover"
+				},
+				{
+					"color": "#787C82",
+					"name": "Course Navigation - Summary",
+					"slug": "course-navigation-summary"
+				},
+				{
+					"color": "#646970",
+					"name": "Course Navigation - Locked",
+					"slug": "course-navigation-locked"
 				}
 			]
 		},