Fix mesembria username and import team if needed (#12)

config/users.tf

@@ -19,7 +19,7 @@ locals {
     dashtangui   = {}
     dussab       = {}
     ethomson     = {}
-    msembria     = {}
+    mesembria    = {}
     staceypotter = {}
   }
 }
@@ -73,3 +73,9 @@ resource "github_team_members" "maintainers" {
     }
   }
 }
+
+// Import the team, because it didn't get stored in terraform state.
+import {
+  to = github_team.maintainers
+  id = "maintainers"
+}