refactor(hub): replace sections with sources list and map

- Remove Offers, Suppliers, Products, NearbyConnections sections
- Add product filter dropdown
- Show sources list with routes from findProductRoutes API
- Display routes on map using RequestRoutesMap component
- Add i18n keys for sources section (en/ru)

graphql/operations/public/geo/FindProductRoutes.graphql

@@ -0,0 +1,31 @@
+query FindProductRoutes($productUuid: String!, $toUuid: String!, $limitSources: Int, $limitRoutes: Int) {
+  findProductRoutes(
+    productUuid: $productUuid
+    toUuid: $toUuid
+    limitSources: $limitSources
+    limitRoutes: $limitRoutes
+  ) {
+    sourceUuid
+    sourceName
+    sourceLat
+    sourceLon
+    distanceKm
+    routes {
+      totalDistanceKm
+      totalTimeSeconds
+      stages {
+        fromUuid
+        fromName
+        fromLat
+        fromLon
+        toUuid
+        toName
+        toLat
+        toLon
+        distanceKm
+        travelTimeSeconds
+        transportType
+      }
+    }
+  }
+}