增加配置项与图标库

public/font-awesome/svgs-full/brands/stumbleupon-circle.svg

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+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 640 640"><!--! Font Awesome Free 7.1.0 by @fontawesome - https://fontawesome.com License - https://fontawesome.com/license/free (Icons: CC BY 4.0, Fonts: SIL OFL 1.1, Code: MIT License) Copyright 2025 Fonticons, Inc. --><path fill="currentColor" d="M328 72C191 72 80 183 80 320C80 457 191 568 328 568C465 568 576 457 576 320C576 183 465 72 328 72zM328 249.5C318.2 249.5 310.2 257.5 310.2 267.3L310.2 374.2C310.2 415.1 276.3 448.1 235.3 448.1C193.9 448.1 160.4 414.6 160.4 373.2L160.4 326.7L217.7 326.7L217.7 372.5C217.7 382.5 225.7 390.3 235.5 390.3C245.3 390.3 253.3 382.4 253.3 372.5L253.3 264.1C253.3 224.1 287.5 192 328 192C368.7 192 402.7 224.3 402.7 264.6L402.7 288.3L368.6 298.4L345.7 287.7L345.7 267.1C345.8 257.5 337.8 249.5 328 249.5zM495.6 373.1C495.6 414.5 462.1 448 420.7 448C379.5 448 345.8 414.8 345.8 373.8L345.8 327L368.7 337.7L402.8 327.6L402.8 374.7C402.8 384.5 410.8 392.3 420.6 392.3C430.4 392.3 438.4 384.4 438.4 374.7L438.4 326.7L495.7 326.7C495.6 372.6 495.6 373.1 495.6 373.1z"/></svg>