fix: add port mapping for fitdata (5311 -> 5000)

App listens on 5000 internally, need to map external 5311 to it.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

services/fitdata.hcl

@@ -24,6 +24,7 @@ job "fitdata" {
     network {
       port "http" {
         static = 5311
+        to     = 5000
       }
     }