[ImgBot] Optimize images

*Total -- 12,196.75kb -> 10,114.06kb (17.08%)

/doc/microsoft.png -- 36.38kb -> 19.28kb (47.01%)
/doc/tile_0.1.11_4.png -- 307.29kb -> 181.11kb (41.06%)
/doc/screenshot_4.png -- 53.72kb -> 35.02kb (34.82%)
/doc/61.png -- 76.30kb -> 53.18kb (30.3%)
/doc/tile_0.1.3_1.png -- 586.78kb -> 413.28kb (29.57%)
/doc/tile_0.1.4_1.png.png -- 565.86kb -> 401.64kb (29.02%)
/doc/screenshot_5.png -- 184.99kb -> 133.21kb (27.99%)
/doc/40.png -- 207.49kb -> 150.02kb (27.7%)
/doc/30.png -- 203.67kb -> 148.15kb (27.26%)
/doc/33.png -- 555.08kb -> 406.93kb (26.69%)
/doc/tile_0.1.20_1440.png -- 516.78kb -> 382.30kb (26.02%)
/doc/tile_0.1.11_3.png -- 391.92kb -> 290.52kb (25.87%)
/doc/tile_0.1.3_2.png -- 115.93kb -> 87.54kb (24.48%)
/doc/tile_0.1.4_2.png -- 119.09kb -> 91.13kb (23.48%)
/doc/34.png -- 245.80kb -> 188.51kb (23.31%)
/doc/42.png -- 242.39kb -> 190.65kb (21.35%)
/doc/ocr_result.png -- 622.46kb -> 513.09kb (17.57%)
/doc/google.png -- 6.01kb -> 5.10kb (15.14%)
/doc/tile_0.1.20_440.png -- 71.82kb -> 61.09kb (14.94%)
/doc/tile_0.1.20_920.png -- 221.47kb -> 188.75kb (14.77%)
/doc/62.png -- 1,453.82kb -> 1,245.92kb (14.3%)
/doc/41.png -- 484.28kb -> 416.46kb (14%)
/doc/screenshot_6.png -- 485.12kb -> 421.35kb (13.15%)
/doc/63.png -- 948.85kb -> 830.84kb (12.44%)
/doc/64.png -- 241.49kb -> 213.08kb (11.76%)
/doc/11.gif -- 595.16kb -> 525.97kb (11.62%)
/doc/firefox_addons.png -- 18.32kb -> 16.68kb (8.95%)
/doc/15.gif -- 430.83kb -> 394.41kb (8.46%)
/doc/result1532.gif -- 621.81kb -> 577.87kb (7.07%)
/doc/65.jpg -- 160.26kb -> 152.61kb (4.77%)
/doc/reagre.gif -- 161.73kb -> 154.66kb (4.38%)
/public/floating-maple-leaf.jpg -- 1,142.41kb -> 1,102.62kb (3.48%)
/public/icons/icon_128.png -- 1.19kb -> 1.15kb (3.28%)
/doc/softpedia.png -- 3.95kb -> 3.83kb (3%)
/doc/tile_0.1.0.png -- 10.16kb -> 10.00kb (1.53%)
/public/pdfjs/web/images/loading-icon.gif -- 2.49kb -> 2.48kb (0.35%)
/doc/screenshot_2.png -- 103.65kb -> 103.63kb (0.02%)

Signed-off-by: ImgBotApp <[email protected]>

Author: ImgBotApp