Button to center the map on the current location.

src/store/map.ts

@@ -168,6 +168,11 @@ const mapSlice = createSlice({
     resize: (state) => {
       evaluateStateFromScope(state);
     },
+    setCenter: (state, action) => {
+      state.scope.center.lat = action.payload.lat;
+      state.scope.center.lon = action.payload.lon;
+      evaluateStateFromScope(state);
+    },
     shift: (state, action) => {
       state.slippy.translation.x =
         state.slippy.translation.x + action.payload.x;