fix: auto-set expires_at to 30 days, add expiry display on listing page, add shipping_cost field

locales/en.json

@@ -140,7 +140,10 @@
     "share": "Share",
     "report": "Report",
     "moreFromSeller": "More from this seller",
-    "edit": "Edit"
+    "edit": "Edit",
+    "expired": "Expired",
+    "expiresIn1Day": "1 day left",
+    "expiresInDays": "{{days}} days left"
   },
   "chat": {
     "title": "Send Message",
@@ -169,6 +172,8 @@
     "priceModeXmr": "XMR price fixed",
     "priceModeHint": "Fiat-fixed: The fiat amount stays the same. XMR-fixed: The XMR amount stays the same.",
     "shippingAvailable": "Shipping available",
+    "shippingCost": "Shipping cost",
+    "shippingCostPlaceholder": "e.g. 5.00",
     "location": "Location",
     "locationPlaceholder": "City, ZIP or address",
     "locationHint": "Choose the location for your listing",