Update README.md

Author: DigiKrafting

README.md

@@ -57,14 +57,24 @@ Installing an Addon in Blender
 
 ![alt](/screenshots/sp_2_8_0_rc_1.png)
 
+## UE4 Nodes
+
 ![alt](/screenshots/sp_unreal.png)
 
+## Emissive
+
 ![alt](/screenshots/sp_emissive.png)
 
+## Nostalgia
+
 ![alt](/screenshots/sp.png)
 
+## Preferences
+
 ![alt](/screenshots/sp_prefs.png)
 
+# Normal / Normal + Height Comparision
+
 ## Substance Painter Viewport
 
 ![alt](/screenshots/sp_normals_sp.png)