[ImgBot] Optimize images

[littlezo]

*Total -- 1,497.71kb -> 1,076.86kb (28.1%)

/vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/08-styling-border-options.png -- 18.44kb -> 3.40kb (81.58%) /vendor/topthink/think-image/tests/images/test.png -- 104.64kb -> 46.82kb (55.25%) /thinkphp/logo.png -- 6.83kb -> 3.63kb (46.88%) /vendor/phpoffice/phpexcel/Documentation/markdown/Features/Autofilters/images/01-01-autofilter.png -- 44.11kb -> 23.88kb (45.87%) /vendor/phpoffice/phpexcel/Documentation/markdown/Features/Autofilters/images/04-02-dategroup-autofilter.png -- 48.11kb -> 26.30kb (45.33%) /vendor/phpoffice/phpexcel/Documentation/markdown/Features/Autofilters/images/01-02-autofilter.png -- 14.16kb -> 7.76kb (45.21%) /vendor/phpoffice/phpexcel/Documentation/markdown/Features/Autofilters/images/04-03-custom-autofilter-2.png -- 52.24kb -> 29.84kb (42.87%) /vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/08-page-setup-scaling-options.png -- 23.57kb -> 13.60kb (42.3%) /vendor/phpoffice/phpexcel/Documentation/assets/ClassDiagrams/Exports/Architecture.png -- 14.77kb -> 8.62kb (41.65%) /vendor/phpoffice/phpexcel/Documentation/markdown/Features/Autofilters/images/04-03-custom-autofilter-1.png -- 50.57kb -> 29.77kb (41.14%) /vendor/phpoffice/phpexcel/Documentation/assets/ClassDiagrams/Exports/ReaderWriter.png -- 45.01kb -> 26.67kb (40.75%) /vendor/phpoffice/phpexcel/Documentation/markdown/Features/Autofilters/images/04-05-topten-autofilter-2.png -- 22.31kb -> 13.43kb (39.78%) /vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/01-schematic.png -- 14.18kb -> 8.64kb (39.08%) /vendor/phpoffice/phpexcel/Documentation/markdown/Features/Autofilters/images/01-04-autofilter.png -- 17.08kb -> 10.64kb (37.7%) /vendor/phpoffice/phpexcel/Documentation/assets/ClassDiagrams/Architecture.png -- 16.55kb -> 10.47kb (36.74%) /vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/08-column-width.png -- 14.63kb -> 9.33kb (36.22%) /vendor/phpoffice/phpexcel/Examples/images/paid.png -- 1.57kb -> 1.03kb (34.33%) /vendor/phpoffice/phpexcel/Documentation/assets/ClassDiagrams/ReaderWriter.png -- 56.59kb -> 37.24kb (34.19%) /vendor/phpoffice/phpexcel/Documentation/markdown/Features/Autofilters/images/04-01-simple-autofilter.png -- 66.11kb -> 44.03kb (33.4%) /vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/02-readers-writers.png -- 54.51kb -> 37.24kb (31.69%) /vendor/phpoffice/phpexcel/Documentation/markdown/Features/Autofilters/images/04-05-topten-autofilter-1.png -- 52.48kb -> 36.22kb (30.97%) /vendor/phpoffice/phpexcel/Documentation/markdown/Features/Autofilters/images/04-04-dynamic-autofilter.png -- 108.92kb -> 76.55kb (29.71%) /vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/08-cell-comment.png -- 30.74kb -> 22.53kb (26.68%) /代码结构.png -- 123.06kb -> 94.14kb (23.5%) /vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/08-page-setup-margins.png -- 122.24kb -> 93.99kb (23.11%) /vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/07-simple-example-1.png -- 11.95kb -> 10.42kb (12.82%) /vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/07-simple-example-2.png -- 9.39kb -> 8.20kb (12.7%) /vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/07-simple-example-3.png -- 6.99kb -> 6.25kb (10.58%) /vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/07-simple-example-4.png -- 7.83kb -> 7.25kb (7.35%) /vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/09-command-line-calculation.png -- 43.29kb -> 40.58kb (6.27%) /vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/09-formula-in-cell-2.png -- 33.22kb -> 31.20kb (6.07%) /vendor/phpoffice/phpexcel/Documentation/markdown/Features/Autofilters/images/01-03-filter-icon-2.png -- 0.63kb -> 0.59kb (5.78%) /vendor/symfony/yaml/Tests/Fixtures/arrow.gif -- 0.18kb -> 0.17kb (5.41%) /vendor/phpoffice/phpexcel/Documentation/markdown/Overview/images/09-formula-in-cell-1.png -- 25.44kb -> 24.44kb (3.94%) /vendor/topthink/think-captcha/assets/bgs/5.jpg -- 27.29kb -> 26.55kb (2.69%) /vendor/topthink/think-captcha/assets/bgs/4.jpg -- 28.40kb -> 27.99kb (1.45%) /vendor/topthink/think-captcha/assets/bgs/2.jpg -- 28.98kb -> 28.59kb (1.33%) /vendor/topthink/think-captcha/assets/bgs/6.jpg -- 30.65kb -> 30.25kb (1.29%) /vendor/topthink/think-captcha/assets/bgs/8.jpg -- 29.48kb -> 29.10kb (1.29%) /vendor/topthink/think-captcha/assets/bgs/7.jpg -- 29.53kb -> 29.15kb (1.26%) /vendor/topthink/think-captcha/assets/bgs/1.jpg -- 29.71kb -> 29.34kb (1.25%) /vendor/topthink/think-captcha/assets/bgs/3.jpg -- 31.36kb -> 31.01kb (1.12%)