[ImgBot] Optimize images (#307)

*Total -- 2,005.66kb -> 1,447.46kb (27.83%)

/images/smilies/bili/tuxue.png -- 24.83kb -> 8.07kb (67.5%)
/images/smilies/bili/xieyanxiao.png -- 25.61kb -> 8.86kb (65.41%)
/images/smilies/bili/qinqin.png -- 28.16kb -> 11.01kb (60.89%)
/images/smilies/bili/doge.png -- 28.77kb -> 11.70kb (59.35%)
/images/smilies/bili/shengqi.png -- 29.09kb -> 12.44kb (57.24%)
/images/smilies/bili/guzhang.png -- 29.65kb -> 12.68kb (57.24%)
/images/smilies/bili/huaixiao.png -- 37.33kb -> 18.09kb (51.53%)
/images/smilies/bili/baiyan.png -- 34.27kb -> 16.73kb (51.18%)
/images/smilies/bili/yun.png -- 37.94kb -> 18.67kb (50.78%)
/images/smilies/bili/daku.png -- 34.48kb -> 17.04kb (50.58%)
/images/smilies/bili/weixiao.png -- 40.23kb -> 20.01kb (50.25%)
/images/smilies/bili/yiwen.png -- 38.27kb -> 19.47kb (49.12%)
/images/smilies/bili/dianzan.png -- 34.15kb -> 17.70kb (48.18%)
/images/smilies/bili/fadai.png -- 42.36kb -> 22.18kb (47.64%)
/images/smilies/bili/nanguo.png -- 47.20kb -> 26.09kb (44.71%)
/images/smilies/bili/outu.png -- 42.76kb -> 23.69kb (44.61%)
/images/smilies/bili/se.png -- 37.86kb -> 21.10kb (44.25%)
/images/smilies/bili/wunai.png -- 48.69kb -> 27.46kb (43.61%)
/images/smilies/bili/haixiu.png -- 50.82kb -> 29.35kb (42.25%)
/images/smilies/bili/xiaoku.png -- 46.64kb -> 28.31kb (39.31%)
/images/smilies/bili/weiqu.png -- 46.17kb -> 28.25kb (38.81%)
/images/smilies/bili/koubi.png -- 55.59kb -> 34.16kb (38.55%)
/images/smilies/bili/jingxia.png -- 64.71kb -> 40.09kb (38.04%)
/images/smilies/bili/zaijian.png -- 50.89kb -> 31.81kb (37.49%)
/images/logo.png -- 3.23kb -> 2.15kb (33.54%)
/images/avatar.jpeg -- 1.29kb -> 0.88kb (31.97%)
/images/smilies/bili/shuizhao.png -- 57.47kb -> 39.34kb (31.55%)
/images/mashiro-logo-s.png -- 3.05kb -> 2.13kb (30.19%)
/images/smilies/bili/sikao.png -- 66.25kb -> 46.90kb (29.21%)
/images/smilies/bili/fanu.png -- 70.29kb -> 55.68kb (20.78%)
/manifest/icon.png -- 50.43kb -> 41.17kb (18.36%)
/manifest/jpeg/e9f33c2c502ab43804964ce7edd431f9.jpeg -- 43.23kb -> 37.48kb (13.3%)
/manifest/jpeg/783bf161f47b32882f0e962fd4064de7.th.jpeg -- 20.50kb -> 18.90kb (7.8%)
/screenshot.jpg -- 102.79kb -> 94.89kb (7.69%)
/manifest/jpeg/19313b0d62b27c8ba022f60fbfedd5ee.jpeg -- 101.61kb -> 94.64kb (6.86%)
/images/avatar.jpg -- 14.53kb -> 13.55kb (6.72%)
/manifest/jpeg/e9f33c2c502ab43804964ce7edd431f9.th.jpeg -- 9.71kb -> 9.07kb (6.56%)
/images/temp.jpg -- 31.91kb -> 29.87kb (6.39%)
/manifest/jpeg/783bf161f47b32882f0e962fd4064de7.jpeg -- 200.07kb -> 190.98kb (4.55%)
/images/random/d-1.jpg -- 14.69kb -> 14.07kb (4.25%)
/images/random/d-4.jpg -- 15.12kb -> 14.51kb (4.06%)
/images/random/d-10.jpg -- 15.05kb -> 14.45kb (4.05%)
/images/random/d-8.jpg -- 14.89kb -> 14.31kb (3.92%)
/images/random/d-9.jpg -- 14.92kb -> 14.33kb (3.91%)
/images/random/d-2.jpg -- 15.01kb -> 14.43kb (3.88%)
/images/random/d-5.jpg -- 15.39kb -> 14.80kb (3.83%)
/images/random/d-3.jpg -- 15.13kb -> 14.55kb (3.83%)
/manifest/jpeg/19313b0d62b27c8ba022f60fbfedd5ee.th.jpeg -- 16.88kb -> 16.25kb (3.76%)
/images/random/d-6.jpg -- 15.26kb -> 14.69kb (3.74%)
/images/random/d-7.jpg -- 15.75kb -> 15.16kb (3.7%)
/inc/fonts/iconfont.svg -- 32.47kb -> 31.52kb (2.93%)
/inc/fonts/SAKURASO.old/sakuraso.svg -- 7.84kb -> 7.62kb (2.78%)
/inc/fonts/SAKURASO.old/sakuraso-symbol.svg -- 7.66kb -> 7.61kb (0.61%)
/images/smilies/bili/mudengkoudai.png -- 2.09kb -> 2.07kb (0.61%)
/manifest/gallary/海の空(56993195)_by_夏T.jpg -- 54.69kb -> 54.50kb (0.34%)

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Co-authored-by: ImgBotApp <ImgBotHelp@gmail.com>

Author: imgbot[bot]