add:license agreement

app/lib/widgets/main_layout.dart

@@ -36,10 +36,9 @@ class _MapContainerWidgetState extends State<MapContainerWidget> {
   bool isMinimized = true;      // Quick view box state tacker
   bool satLayer = false;        // Satellite layer visibility state
   bool osmLayer = false;        // OSM layer visibility state
-  bool isSatTapped = false;        // Satellite button tap state tracker
-  bool isMapTapped = false;        // OSM button tap state tracker
-  bool infoLayer = false;   // Additional color information visibility
-  bool centerMap = false;   // Map centering button state tracker
+  bool isSatTapped = false;     // Satellite button tap state tracker
+  bool isMapTapped = false;     // OSM button tap state tracker
+  bool infoLayer = false;       // Additional color information visibility
 
   // Initialise selected measurement to arbitrary value
   Measurement? selectedMeasurement = selectedMeasurements[0];
@@ -230,39 +229,6 @@ class _MapContainerWidgetState extends State<MapContainerWidget> {
                       ),
                     ),
                   ),
-                  Positioned( // Recenter map button
-                    top: 130,
-                    right: 10,
-                    child: GestureDetector(
-                      onTapDown: (_) {
-                        setState(() {
-                          centerMap = true;
-                        });
-                      },
-                      onTapUp: (_) {
-                        setState(() {
-                          centerMap = false;
-                          _choroplethMapKey.currentState?.resetZoom();
-                        });
-                      },
-                      onTapCancel: () {
-                        setState(() {
-                          centerMap = false;
-                        });
-                      },
-                      child: Container(
-                        padding: const EdgeInsets.all(8),
-                        decoration: centerMap ? const BoxDecoration( // Add decoration only while pressed
-                          shape: BoxShape.circle,
-                          color: Colors.grey,
-                        ) : null,
-                        child: const Icon(
-                          Icons.center_focus_strong,
-                          color: Colors.white54,
-                        ),
-                      ),
-                    ),
-                  ),
                   Positioned( // Color info layer button
                     top: 170,
                     right: 10,