Update outline.md

Workshop4/outline.md

@@ -9,8 +9,8 @@
 
 ## Introduction to MACE 
 ### What is MACE?
-    - MACE = Message-passing Atomic Cluster Expansion  
-    - The code that takes in information such as atomic position, energies, forces, stress, etc. and genereates a potential based on that 
+- MACE = Message-passing Atomic Cluster Expansion  
+- The code that takes in information such as atomic position, energies, forces, stress, etc. and genereates a potential based on that 
 - To understand what MACE actually does, we must first visit ACE.
     - A condensed theoretical explanation of ACE then how MACE builds on it via NN