Docs: update docs and status page for pg_tile_server

src/UI/Status/StatusGUI.svelte

@@ -1,5 +1,5 @@
 <script lang="ts">
-  import { Store, Stores, UIEventSource } from "../../Logic/UIEventSource"
+  import { ImmutableStore, Store, Stores, UIEventSource } from "../../Logic/UIEventSource"
   import StatusIcon from "./StatusIcon.svelte"
   import type { MCService } from "./MCService"
   import ServiceIndicator from "./ServiceIndicator.svelte"
@@ -203,6 +203,29 @@
     })
   }
 
+  {
+    const summaryTileServer = Constants.VectorTileServer
+    // "mvt_layer_server": "https://cache.mapcomplete.org/public.{type}_{layer}/{z}/{x}/{y}.pbf",
+    const status = testDownload(Utils.SubstituteKeys(summaryTileServer, {
+      type: "pois",
+      layer: "food",
+      z: 14,
+      x: 8848,
+      y: 5828
+    }))
+    services.push({
+      name: summaryTileServer,
+      status: status.mapD((s) => {
+        if (s["error"]) {
+          return "offline"
+        }
+        return "online"
+      }),
+      message: new ImmutableStore("See SettingUpPSQL.md to fix")
+    })
+  }
+
+
   {
     const s = Constants.countryCoderEndpoint
     const status = testDownload(s + "/0.0.0.json")