[ImgBot] Optimize images (#33)

*Total -- 490.43kb -> 351.35kb (28.36%)

/docs/插件/_images/概览/同类插件评分选择.png -- 23.45kb -> 11.26kb (51.97%)
/docs/正式开服/_images/申请域名/3.png -- 97.09kb -> 56.25kb (42.07%)
/docs/插件/权限管理/_images/bukkit.png -- 17.66kb -> 10.32kb (41.54%)
/docs/插件/权限管理/_images/bukkit-old.png -- 19.51kb -> 11.52kb (40.97%)
/docs/正式开服/_images/申请域名/2.png -- 50.39kb -> 29.79kb (40.88%)
/docs/插件/权限管理/_images/Luckperms-Download.png -- 15.12kb -> 11.48kb (24.13%)
/docs/正式开服/_images/申请域名/1.png -- 108.87kb -> 84.43kb (22.44%)
/docs/插件/_images/概览/Spigot搜索.png -- 112.40kb -> 92.24kb (17.94%)
/docs/插件/_images/概览/浏览器翻译.png -- 8.67kb -> 7.47kb (13.89%)
/static/img/logo.svg -- 1.21kb -> 1.04kb (13.82%)
/static/img/furnace.svg -- 11.01kb -> 10.84kb (1.52%)
/static/img/crafting-table.svg -- 11.10kb -> 10.94kb (1.5%)
/static/img/grass.svg -- 13.95kb -> 13.79kb (1.2%)

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

static/img/logo.svg

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