Move MapLibre into the Components folder

Continue grouping the standalone modules under Components. The MapLibre
frameworks were nested inside the app folder even though they are separate
targets, so move them alongside the other components and update the
XcodeGen includes.

Components/MapLibre/MapLibreInterface/SupportingFiles/target.yml

@@ -0,0 +1,19 @@
+# The types shared between the app and the MapLibreShim framework. The app links this
+# (tiny, initialiser-free) framework instead of MapLibre, see MapLibreShim's target.yml.
+name: MapLibreInterface
+
+targets:
+  MapLibreInterface:
+    type: framework
+    platform: iOS
+
+    settings:
+      base:
+        PRODUCT_BUNDLE_IDENTIFIER: $(BASE_BUNDLE_IDENTIFIER).maplibre-interface
+        GENERATE_INFOPLIST_FILE: YES
+        SWIFT_VERSION: 6.2
+        SWIFT_APPROACHABLE_CONCURRENCY: YES
+        SWIFT_DEFAULT_ACTOR_ISOLATION: MainActor
+
+    sources:
+    - path: ../Sources