Minor cleanup (maplibre#52)

* Finish MapLibre onboarding

* Fix stray bracket; finish modernizing preview

Author: ianthetechie

README.md

@@ -26,7 +26,7 @@ Any breaking API changes will be reflected in release notes.
     * Add [markers](Sources/MapLibreSwiftUI/Examples/Gestures.swift), [polylines](Sources/MapLibreSwiftUI/Examples/Polyline.swift) and similar annotations
     * Interaction with features through [gestures](Sources/MapLibreSwiftUI/Examples/Gestures.swift)
     * Clustering (common use case that's rather difficult for first timers)
-    * [Overlays]](Sources/MapLibreSwiftUI/Examples/)
+    * [Overlays](Sources/MapLibreSwiftUI/Examples/)
     * Dynamic styling
     * [Camera control](Sources/MapLibreSwiftUI/Examples/Camera.swift)
     * Turn-by-turn Navigation (see the showcase integrations below)

Sources/MapLibreSwiftUI/MapView.swift

@@ -148,10 +148,9 @@ public extension MapView where T == MLNMapViewController {
     }
 }
 
-#Preview {
+#Preview("Vanilla Map") {
     MapView(styleURL: demoTilesURL)
         .ignoresSafeArea(.all)
-        .previewDisplayName("Vanilla Map")
 
     // For a larger selection of previews,
     // check out the Examples directory, which