Update titles optional_modules.yaml

Author: ppalagi

docs/assets/cards/optional_modules.yaml

@@ -1,23 +1,23 @@
 - title: Module 5
   url: https://elixir-europe.org
   content: |
-    This model is the number 1 in the world.
+    Upcoming - Model 5
   # image: ./assets/images/cards/001-zeus.png
 
 - title: Module 6
   url: https://elixir-europe.org
   content: |
-    This model is the number 1 in the world.
+    Upcoming - Model 6
   # image: ./assets/images/cards/001-zeus.png
 
 - title: Module 7
   url: https://elixir-europe.org
   content: |
-    This model is the number 1 in the world.
+    Upcoming - Model 7
   # image: ./assets/images/cards/001-zeus.png
 
 - title: Module 8
   url: https://elixir-europe.org
   content: |
-    This model is the number 1 in the world.
-  # image: ./assets/images/cards/001-zeus.png
+    Upcoming - Model 7
+  # image: ./assets/images/cards/001-zeus.png