What - add menu in stores view.
@Description/root cause - Why
    add the menu in stores view:
      reload: reload the village data (stores information).
      clear data: delete the cached village data.
      about: about the app.

    add new menu item in location/county view:
      reload: reload the county data (villages information).

    modify menu function in location/county view:
      clear data:
        in location view: clear all cached data.
        in county view: clear cached county data.

@Resolution - How
    as described above.

@Reviewer
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