refactor: merge ecology into /members, redirect old routes

- ecology.vue replaced with redirect to /members?view=ecology
- connections.vue updated to skip the /ecology hop, redirects directly
- Remove Ecology nav entry; Members covers it

app/pages/connections.vue

@@ -1,4 +1,4 @@
 <script setup>
 definePageMeta({ middleware: "auth" });
-await navigateTo("/ecology", { replace: true });
+await navigateTo("/members?view=ecology", { replace: true });
 </script>