chart: add bootstrap job (v0.2.0)

Post-install/post-upgrade Job that calls /api/bootstrap on first deploy
and stores the admin API key in a Secret (<release>-admin-key by default).
Exits cleanly on subsequent upgrades when bootstrap is already complete.
Adds ServiceAccount, Role (secrets:create), and RoleBinding as hook resources.

charts/terdut-server/values.yaml

@@ -14,3 +14,10 @@ storage:
 service:
   type: ClusterIP
   port: 8080
+
+bootstrap:
+  enabled: true
+  username: admin
+  email: admin@example.com
+  # secretName overrides the default of <fullname>-admin-key
+  secretName: ""