Optimize the file storage structure of the knowledge base (#386)

projects/app/public/imgs/files/link.svg

@@ -0,0 +1 @@
+<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd"><svg t="1696841646763" class="icon" viewBox="0 0 1024 1024" version="1.1" xmlns="http://www.w3.org/2000/svg" p-id="2367" xmlns:xlink="http://www.w3.org/1999/xlink" width="128" height="128"><path d="M185.78023917 244.70891583a668.28725918 668.28725918 0 0 0 121.17266584 53.53692476 665.15318203 665.15318203 0 0 0-34.64702231 183.62637022H91.72167743a419.67636227 419.67636227 0 0 1 94.05856174-237.16329498z m227.58241722-142.44192964a672.20323745 672.20323745 0 0 0-84.326223 139.79071526 609.56829772 609.56829772 0 0 1-99.6923923-42.47897884 420.36764571 420.36764571 0 0 1 184.0186153-97.31173642z m381.2622336 97.31044188a607.36887719 607.36887719 0 0 1-99.69109776 42.48027338 672.20323745 672.20323745 0 0 0-84.326223-139.79071526c69.74454391 16.75132524 132.56071902 50.73424941 184.0186153 97.31044188z m43.56509646 45.13148776a419.67636227 419.67636227 0 0 1 94.08704158 237.16329498h-180.52336198a664.06835895 664.06835895 0 0 0-34.70657106-183.62637022 668.28725918 668.28725918 0 0 0 121.17266584-53.53692476z m0 534.58216834a668.28725918 668.28725918 0 0 0-121.17266583-53.53692476 663.64763402 663.64763402 0 0 0 34.70657106-183.62637022h180.52336197a419.58574459 419.58574459 0 0 1-94.0572672 237.16329498zM694.93379223 781.91122963c34.70657106 11.23788674 68.02798617 25.5179384 99.72216668 42.48027339a420.21747927 420.21747927 0 0 1-184.04838968 97.31044187A671.42004179 671.42004179 0 0 0 694.96356661 781.91122963z m-213.06158142-28.07853511v155.75884484a607.60966131 607.60966131 0 0 1-93.63524773-143.31574298 605.26136889 605.26136889 0 0 1 93.63524773-12.44310186z m0-211.70490533v151.54123916a662.9537615 662.9537615 0 0 0-116.59258944 15.96683503 600.07803765 600.07803765 0 0 1-32.74922919-167.50807419h149.34181863z m-93.63524773-284.43335995a608.06145517 608.06145517 0 0 1 93.63524773-143.31574298v155.75884484a594.47398147 594.47398147 0 0 1-93.63524773-12.44310186z m93.63524773 72.60676804v151.57101353h-149.31204425c3.0136851-58.44710843 14.19072853-114.63395303 32.68968043-167.50807419 37.748736 8.6759955 76.70398167 14.10011085 116.62236382 15.96683503z m60.25557838-60.16366618v-155.75884484a607.00770101 607.00770101 0 0 1 93.60547335 143.31574298c-30.42812208 6.50764389-61.67180325 10.78609289-93.60547335 12.44310186z m0 211.73467971V330.33097165a660.18215506 660.18215506 0 0 0 116.59258944-15.99660942 601.1926351 601.1926351 0 0 1 32.71816027 167.5080742h-149.31204423z m93.60547335 284.40358557a606.55590717 606.55590717 0 0 1-93.60547335 143.34551736v-155.75884484c31.93496462 1.6880779 63.17735127 5.93545797 93.60547335 12.41332748z m-93.60547335-72.60676803V542.12778919h149.31204425a601.1926351 601.1926351 0 0 1-32.71945481 167.50807419 662.98483042 662.98483042 0 0 0-116.59258944-15.96683503zM229.34404109 824.42127739a606.97792663 606.97792663 0 0 1 99.72216668-42.51004776 670.24460105 670.24460105 0 0 0 84.35729193 139.7920098 420.30809695 420.30809695 0 0 1-184.07945861-97.31173641z m-43.56380192-45.13019322a419.58574459 419.58574459 0 0 1-94.05856174-237.16329498H272.27740286c3.01239056 63.9903213 14.88330651 125.60128126 34.67679669 183.62637022a668.28725918 668.28725918 0 0 0-121.17266584 53.53692476z m703.53624178 32.17574874A479.71963638 479.71963638 0 0 0 994.03944897 512c0-135.30255107-55.91758064-257.37880462-145.66662447-344.95949685A480.23097901 480.23097901 0 0 0 512 29.96184557a480.23097901 480.23097901 0 0 0-336.3728245 137.07865758c-14.61145347 14.28134622-28.22999609 29.49475998-40.9721363 45.49266394A479.6290187 479.6290187 0 0 0 29.9592565 512c0 266.2062611 215.80341349 482.03944897 482.03944896 482.03944897a480.23097901 480.23097901 0 0 0 336.34305011-137.11102104h0.02977438a484.14825182 484.14825182 0 0 0 40.9721363-45.4913694z" fill="#21A3DD" p-id="2368"></path></svg>