Add a tag to make it easier to find core logic

diff --git a/TomTom.lua b/TomTom.lua
index 0f106e9..4060559 100755
--- a/TomTom.lua
+++ b/TomTom.lua
@@ -802,6 +802,7 @@ function TomTom:AddZWaypoint(c, z, x, y, desc, persistent, minimap, world, callb
     })
 end

+-- TAG: AddCode
 function TomTom:AddMFWaypoint(m, f, x, y, opts)
     opts = opts or {}