Add Moscow and broaden Turkish MGM support

frontend/lib/dashboard-official-sources.ts

@@ -76,6 +76,11 @@ const CITY_SPECIFIC_SOURCES: Record<string, OfficialSourceLink[]> = {
     },
   ],
   istanbul: [
+    {
+      label: "MGM",
+      href: "https://www.mgm.gov.tr/",
+      kind: "agency",
+    },
     {
       label: "NOAA LTFM Timeseries",
       href: "https://www.weather.gov/wrh/timeseries?site=LTFM",
@@ -92,6 +97,23 @@ const CITY_SPECIFIC_SOURCES: Record<string, OfficialSourceLink[]> = {
       kind: "metar",
     },
   ],
+  moscow: [
+    {
+      label: "NOAA UUWW Timeseries",
+      href: "https://www.weather.gov/wrh/timeseries?site=UUWW",
+      kind: "agency",
+    },
+    {
+      label: "Vnukovo International Airport",
+      href: "https://vnukovo.ru/en/",
+      kind: "airport",
+    },
+    {
+      label: "UUWW METAR",
+      href: "https://metar-taf.com/UUWW",
+      kind: "metar",
+    },
+  ],
   london: [
     {
       label: "Met Office",