Move the Evaluations placeholder nav entry to Members

Fits better next to Groups/Households than under Settings -- it's about
people, not club configuration.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01ECGMEwrc2k4D8VQuwjstj9

management/context_processors.py

@@ -159,6 +159,7 @@ _TOP_SECTION = {
     "family_list": "members",
     "parent_claim_list": "members",
     "group_list": "members",
+    "evaluations": "members",
     "membership_list": "finance",
     "team_list": "teams",
     "referee_list": "teams",
@@ -172,7 +173,6 @@ _TOP_SECTION = {
     "discount_list": "finance",
     "invoice_list": "finance",
     "form_list": "settings",
-    "evaluations": "settings",
     "club_settings": "settings",
     "onboarding_requirement_list": "settings",
     "role_list": "settings",