[ImgBot] Optimize images

*Total -- 45,133.03kb -> 21,054.13kb (53.35%)

/src/docs/images/share-running-ws.gif -- 1,277.87kb -> 157.26kb (87.69%)
/src/docs/release-notes/2019-02-15/img/asciidoc-support.gif -- 5,506.03kb -> 1,577.43kb (71.35%)
/static/release-notes/2019-02-15/img/asciidoc-support.gif -- 5,506.03kb -> 1,577.43kb (71.35%)
/src/docs/release-notes/2019-06-17/img/maximize.gif -- 2,677.99kb -> 923.35kb (65.52%)
/static/release-notes/2019-06-17/img/maximize.gif -- 2,677.99kb -> 923.35kb (65.52%)
/static/release-notes/2019-06-17/img/git-amend.gif -- 3,189.72kb -> 1,244.64kb (60.98%)
/src/docs/release-notes/2019-06-17/img/git-amend.gif -- 3,189.72kb -> 1,244.64kb (60.98%)
/src/docs/release-notes/2019-06-17/img/upload.gif -- 2,352.11kb -> 1,051.87kb (55.28%)
/static/release-notes/2019-06-17/img/upload.gif -- 2,352.11kb -> 1,051.87kb (55.28%)
/src/docs/release-notes/2019-06-17/img/scroll-sync.gif -- 5,473.92kb -> 3,153.84kb (42.38%)
/static/release-notes/2019-06-17/img/scroll-sync.gif -- 5,473.92kb -> 3,153.84kb (42.38%)
/src/docs/images/spectrum.svg -- 0.57kb -> 0.36kb (36.1%)
/src/blog/self-hosted-0.4.0/sh-userdetails2.png -- 296.29kb -> 208.95kb (29.48%)
/src/docs/images/browser-extension-lense.png -- 56.82kb -> 43.59kb (23.28%)
/src/blog/self-hosted-0.4.0/sh-userlist2.png -- 318.97kb -> 250.39kb (21.5%)
/src/docs/images/searchCratesio.gif -- 89.51kb -> 71.82kb (19.76%)
/static/cloud-download.png -- 193.56kb -> 171.41kb (11.44%)
/src/docs/images/AReplExample.gif -- 1,077.84kb -> 986.27kb (8.5%)
/static/gh-cs-bg.jpg -- 111.77kb -> 102.73kb (8.09%)
/src/docs/images/HTML-Snippets-Example.gif -- 411.41kb -> 381.53kb (7.26%)
/src/docs/images/phpDebug.gif -- 1,230.37kb -> 1,168.93kb (4.99%)
/src/docs/images/scala-debug.gif -- 1,313.28kb -> 1,253.54kb (4.55%)
/src/resources/cloud-grey.svg -- 0.70kb -> 0.68kb (3.49%)
/src/resources/ts.svg -- 1.54kb -> 1.50kb (2.48%)
/src/resources/map-grey.svg -- 5.04kb -> 5.01kb (0.48%)
/static/dev-env-gilbert.gif -- 107.70kb -> 107.63kb (0.06%)
/src/resources/open-source-badge-grey.svg -- 1.85kb -> 1.85kb (0.05%)
/src/resources/gitpod-logo-white-font.svg -- 2.93kb -> 2.93kb (0.03%)
/src/resources/bag-grey.svg -- 4.00kb -> 4.00kb (0.02%)
/src/resources/tick.svg -- 231.47kb -> 231.47kb (0%)

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