Update kit with new pg config

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

.env.example

@@ -42,6 +42,9 @@
 # PG_PASSWORD=postgres
 # PG_DATABASE=probod
 # PG_POOL_SIZE=100
+# PG_MIN_POOL_SIZE=10
+# PG_MAX_CONN_IDLE_TIME_SECONDS=1800
+# PG_MAX_CONN_LIFETIME_SECONDS=3600
 # PG_DEBUG=false
 
 # ── Object storage (SeaweedFS via compose) ────────────────────────────