Add TODO markers for sections yet to be filled out.

Author: ehuss

docs/team.md

@@ -2,10 +2,16 @@
 
 ## Mission
 
+TODO
+
 ## Team membership
 
+TODO
+
 ### Membership expectations
 
+TODO
+
 #### Review policy
 
 Team members are given permission to merge changes from other contributors in the <https://github.com/rust-lang/spec> repository. There are different guidelines for reviewing based on the kind of changes being made:
@@ -31,8 +37,12 @@ This policy does not yet cover the process for getting final approval from the r
 
 ### Becoming a member
 
+TODO
+
 ## Team resources
 
 ## Decision process
 
+TODO
+
 ## Contact