[ImgBot] Optimize images

*Total -- 724.65kb -> 565.80kb (21.92%)

/app/libs/pdfjs/web/images/annotation-noicon.svg -- 0.15kb -> 0.08kb (46.84%)
/app/libs/pdfjs/web/images/annotation-paperclip.svg -- 0.54kb -> 0.33kb (39.31%)
/app/libs/pdfjs/web/images/annotation-note.svg -- 1.02kb -> 0.70kb (31.12%)
/build/icon.iconset/icon_512x512@2x.png -- 214.89kb -> 151.60kb (29.45%)
/app/libs/pdfjs/web/images/toolbarButton-editorStamp.svg -- 0.76kb -> 0.54kb (28.7%)
/build/icon.iconset/icon_256x256@2x.png -- 93.32kb -> 70.19kb (24.79%)
/build/icon.iconset/icon_512x512.png -- 93.32kb -> 70.19kb (24.79%)
/app/libs/pdfjs/web/images/annotation-check.svg -- 0.41kb -> 0.31kb (22.65%)
/app/libs/pdfjs/web/images/annotation-newparagraph.svg -- 0.42kb -> 0.32kb (22.54%)
/app/libs/pdfjs/web/images/annotation-insert.svg -- 0.40kb -> 0.31kb (22.06%)
/app/assets/icon.png -- 87.08kb -> 68.18kb (21.7%)
/build/icon.iconset/icon_128x128@2x.png -- 37.32kb -> 29.43kb (21.15%)
/build/icon.iconset/icon_256x256.png -- 37.32kb -> 29.43kb (21.15%)
/app/assets/gradient3.svg -- 0.63kb -> 0.52kb (16.95%)
/app/assets/gradient2.svg -- 0.63kb -> 0.52kb (16.9%)
/app/libs/pdfjs/web/images/annotation-pushpin.svg -- 1.34kb -> 1.13kb (16%)
/app/libs/pdfjs/web/images/annotation-comment.svg -- 0.86kb -> 0.73kb (15.63%)
/app/assets/icon2.png -- 36.60kb -> 31.32kb (14.44%)
/build/icon.iconset/icon_128x128.png -- 16.63kb -> 14.24kb (14.38%)
/app/libs/pdfjs/web/images/annotation-paragraph.svg -- 1.12kb -> 0.97kb (12.69%)
/app/assets/gradient2.png -- 43.67kb -> 40.01kb (8.38%)
/app/libs/pdfjs/web/images/annotation-help.svg -- 2.12kb -> 1.96kb (7.29%)
/docs/nightpdf_small.png -- 6.53kb -> 6.06kb (7.16%)
/build/icon.iconset/icon_32x32@2x.png -- 6.53kb -> 6.06kb (7.16%)
/app/libs/pdfjs/web/images/annotation-key.svg -- 1.42kb -> 1.33kb (6.47%)
/app/libs/pdfjs/web/images/loading.svg -- 1.52kb -> 1.46kb (4.04%)
/app/libs/pdfjs/web/images/gv-toolbarButton-openinapp.svg -- 0.56kb -> 0.54kb (3.49%)
/app/libs/pdfjs/web/images/editor-toolbar-delete.svg -- 0.89kb -> 0.86kb (2.64%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-lastPage.svg -- 0.25kb -> 0.25kb (1.56%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-firstPage.svg -- 0.25kb -> 0.25kb (1.54%)
/app/libs/pdfjs/web/images/toolbarButton-viewOutline.svg -- 0.32kb -> 0.32kb (1.2%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-spreadNone.svg -- 0.39kb -> 0.38kb (1.01%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-documentProperties.svg -- 0.41kb -> 0.40kb (0.96%)
/app/libs/pdfjs/web/images/altText_add.svg -- 0.90kb -> 0.89kb (0.87%)
/app/libs/pdfjs/web/images/toolbarButton-zoomOut.svg -- 0.46kb -> 0.46kb (0.85%)
/app/libs/pdfjs/web/images/toolbarButton-viewAttachments.svg -- 0.56kb -> 0.55kb (0.7%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-rotateCw.svg -- 0.56kb -> 0.56kb (0.69%)
/app/libs/pdfjs/web/images/findbarButton-next.svg -- 0.56kb -> 0.56kb (0.69%)
/app/libs/pdfjs/web/images/findbarButton-previous.svg -- 0.56kb -> 0.56kb (0.69%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-rotateCcw.svg -- 0.58kb -> 0.58kb (0.67%)
/app/libs/pdfjs/web/images/toolbarButton-currentOutlineItem.svg -- 0.59kb -> 0.59kb (0.66%)
/app/libs/pdfjs/web/images/toolbarButton-viewLayers.svg -- 0.66kb -> 0.65kb (0.6%)
/app/libs/pdfjs/web/images/toolbarButton-menuArrow.svg -- 0.67kb -> 0.66kb (0.59%)
/app/libs/pdfjs/web/images/toolbarButton-presentationMode.svg -- 0.67kb -> 0.66kb (0.59%)
/app/libs/pdfjs/web/images/toolbarButton-pageUp.svg -- 0.67kb -> 0.66kb (0.59%)
/app/libs/pdfjs/web/images/toolbarButton-download.svg -- 1.01kb -> 1.01kb (0.58%)
/app/libs/pdfjs/web/images/toolbarButton-pageDown.svg -- 0.68kb -> 0.68kb (0.57%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-spreadOdd.svg -- 0.69kb -> 0.69kb (0.56%)
/app/libs/pdfjs/web/images/altText_done.svg -- 1.06kb -> 1.06kb (0.55%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-scrollPage.svg -- 0.71kb -> 0.71kb (0.55%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-spreadEven.svg -- 0.76kb -> 0.75kb (0.52%)
/app/libs/pdfjs/web/images/gv-toolbarButton-download.svg -- 0.76kb -> 0.76kb (0.51%)
/app/libs/pdfjs/web/images/toolbarButton-editorInk.svg -- 1.16kb -> 1.16kb (0.5%)
/app/libs/pdfjs/web/images/toolbarButton-bookmark.svg -- 0.84kb -> 0.84kb (0.46%)
/app/libs/pdfjs/web/images/cursor-editorInk.svg -- 1.29kb -> 1.29kb (0.45%)
/app/libs/pdfjs/web/images/toolbarButton-editorFreeText.svg -- 0.89kb -> 0.89kb (0.44%)
/app/libs/pdfjs/web/images/toolbarButton-print.svg -- 0.91kb -> 0.90kb (0.43%)
/app/libs/pdfjs/web/images/toolbarButton-zoomIn.svg -- 0.94kb -> 0.93kb (0.42%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-scrollVertical.svg -- 0.95kb -> 0.94kb (0.41%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-scrollHorizontal.svg -- 0.95kb -> 0.94kb (0.41%)
/app/libs/pdfjs/web/images/toolbarButton-secondaryToolbarToggle.svg -- 1.05kb -> 1.05kb (0.37%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-selectTool.svg -- 1.06kb -> 1.06kb (0.37%)
/app/libs/pdfjs/web/images/loading-icon.gif -- 2.49kb -> 2.48kb (0.35%)
/app/libs/pdfjs/web/images/cursor-editorFreeText.svg -- 1.42kb -> 1.41kb (0.34%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-scrollWrapped.svg -- 1.20kb -> 1.20kb (0.33%)
/app/libs/pdfjs/web/images/toolbarButton-search.svg -- 1.21kb -> 1.20kb (0.32%)
/app/libs/pdfjs/web/images/secondaryToolbarButton-handTool.svg -- 1.31kb -> 1.31kb (0.3%)
/app/libs/pdfjs/web/images/toolbarButton-viewThumbnail.svg -- 1.36kb -> 1.36kb (0.29%)
/app/libs/pdfjs/web/images/toolbarButton-openFile.svg -- 1.37kb -> 1.36kb (0.29%)
/app/libs/pdfjs/web/images/toolbarButton-sidebarToggle.svg -- 1.52kb -> 1.52kb (0.26%)

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