added 4 shapes with 'nofill' property

resources/library/shape/nofill_octogon.svg

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+<svg id="Calque_1" data-name="Calque 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 112.84 112.84"><title>test4</title><path d="M81.54,3.16,114,35.62V81.54L81.54,114H35.62L3.16,81.54V35.62L35.62,3.16H81.54m.41-1H35.21l-33,33.05V82L35.21,115H82L115,82V35.21l-33-33Z" transform="translate(-2.16 -2.16)"/></svg>

resources/library/shape/nofill_rhombus.svg

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+<svg id="Calque_1" data-name="Calque 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 91.33 103.51"><defs><style>.cls-1{fill:none;stroke:#000;stroke-miterlimit:10;}</style></defs><title>losange</title><polygon class="cls-1" points="45.67 0.76 0.67 51.76 45.67 102.76 90.67 51.76 45.67 0.76"/></svg>

resources/library/shape/nofill_trapeze.svg

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+<svg id="Calque_1" data-name="Calque 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 114.24 100.87"><title>trapeze</title><path d="M97.15,1l15.92,98.87H1.35L31.74,1H97.15M98,0H31L0,100.87H114.24L98,0Z"/></svg>

resources/library/shape/nofill_triangle_rect.svg

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+<svg id="Calque_1" data-name="Calque 1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 114.24 100.87"><title>triangle</title><path d="M1,2.22,111.6,99.87H1V2.22M0,0V100.87H114.24L0,0Z"/></svg>