Add fusion trajectory replay view

src/MapWidget.h

@@ -20,6 +20,7 @@ public:
     explicit MapWidget(QWidget *parent = nullptr);
 
     void setPoints(const QVector<TelemetryPoint> &points);
+    void fitToPoints();
     void clearPoints();
     void setAverageMarker(double latitude, double longitude, double radiusMeters);
     void clearAverageMarker();
@@ -56,6 +57,7 @@ private:
 
     void drawTiles(QPainter &painter);
     void drawTelemetry(QPainter &painter);
+    void drawLegend(QPainter &painter);
     void drawAverageOverlay(QPainter &painter);
     void drawCepOverlay(QPainter &painter);
     void drawCepMarker(QPainter &painter);