added breaks to list (#28904)
added breaks to list (#28904)

* added breaks to list

added breaks to Data Sources section for readability

* fix: properly formatted ordered list

FreeCodeCamp/FreeCodeCamp,BhaveshSGupta/FreeCodeCamp,raisedadead/FreeCodeCamp,FreeCodeCamp/FreeCodeCamp,jonathanihm/freeCodeCamp,BhaveshSGupta/FreeCodeCamp,BhaveshSGupta/FreeCodeCamp,jonathanihm/freeCodeCamp,raisedadead/FreeCodeCamp