Revise README for new forum information

Updated the README to clarify the new forum link and formatting.

Author: JulioJerez

README.md

@@ -1,9 +1,8 @@
 This repository and the the old forum 
 <http://newtondynamics.com> is discontinued
 
-Please visit https://github.com/JulioJerez/newton-dynamics
+Please visit:
+https://github.com/JulioJerez/newton-dynamics
 
-and if you have any question, ideas, of point of discuion, 
-the new forum is:
+and if you have any question, ideas, of point of discuion, the new forum is:
 https://github.com/JulioJerez/newton-dynamics/discussions
-