Change rectangle to non-square for geolegend

[gepcel]

Addresses #729 .

Change rec, rect, rectangle to non-square rectangles for geolegend.

Now the following codes, produces the following image.

fig,ax=pplt.subplot()
ax.axis('off')
# ax.geolegend(['diamond', 'rect', 'box'], fc='r', ec='r', loc='uc')
ax.geolegend(['rec', 'rect','rectangle', 'box', 'square'], 
    facecolor='r', edgecolor='r', loc='c', ncols=1)

[gepcel]

call for

pre-commit.ci autofix

[codecov]

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