[ImgBot] Optimize images

*Total -- 3,570.37kb -> 3,127.37kb (12.41%)

/services/web/app/static/images/logos/limbus_logo.svg -- 6.95kb -> 4.39kb (36.82%)
/services/web/app/static/images/storage/cryobox/new/from_file/save_as.png -- 113.94kb -> 74.89kb (34.27%)
/doc/sample/img/registration/sample_data_entry.png -- 21.10kb -> 14.83kb (29.7%)
/doc/attributes_and_protocols/img/consent/new_question_button.png -- 20.10kb -> 14.57kb (27.51%)
/doc/attributes_and_protocols/img/consent/submission_form.png -- 36.26kb -> 27.05kb (25.41%)
/doc/document/img/upload_file_button.png -- 20.92kb -> 15.68kb (25.07%)
/doc/sample/img/registration/step_two.jpeg -- 131.99kb -> 99.61kb (24.53%)
/doc/attributes_and_protocols/img/consent/new_consent_form_question_form.png -- 29.26kb -> 22.09kb (24.48%)
/services/web/app/static/images/logos/limbus_logo_500px.png -- 27.56kb -> 21.00kb (23.82%)
/services/web/app/static/images/logos/limbus_logo_250px.png -- 12.35kb -> 9.42kb (23.71%)
/doc/attributes_and_protocols/img/consent/view.png -- 68.62kb -> 52.45kb (23.57%)
/doc/sample/img/registration/step_one.jpeg -- 259.28kb -> 200.29kb (22.75%)
/doc/attributes_and_protocols/img/attributes_and_prtocols_dropdown.png -- 35.86kb -> 27.96kb (22.03%)
/doc/attributes_and_protocols/img/consent/panel.png -- 79.67kb -> 62.33kb (21.77%)
/doc/attributes_and_protocols/img/consent/new_template_button.png -- 19.96kb -> 15.63kb (21.71%)
/services/web/app/static/images/logos/limbus_logo_1000px.png -- 66.09kb -> 51.96kb (21.38%)
/doc/document/img/new_file_page.png -- 32.60kb -> 25.65kb (21.34%)
/screenshot3.jpeg -- 129.41kb -> 102.88kb (20.5%)
/banner.png -- 27.32kb -> 21.82kb (20.14%)
/services/web/app/static/images/logos/limbus/limbus-logo-alt.svg -- 7.31kb -> 5.94kb (18.68%)
/services/web/app/static/images/logos/limbus/limbus-logo-light.svg -- 7.38kb -> 6.01kb (18.64%)
/doc/img/logo.svg -- 7.38kb -> 6.01kb (18.64%)
/services/web/app/static/images/logos/limbus/limbus-logo.svg -- 7.30kb -> 5.94kb (18.6%)
/services/web/app/static/images/logos/limbus/limbus-logo-light2.svg -- 7.49kb -> 6.14kb (18.05%)
/screenshot2.jpeg -- 139.95kb -> 116.14kb (17.01%)
/services/web/app/static/images/logos/limbus_logo_50px.png -- 2.36kb -> 1.97kb (16.56%)
/screenshot4.jpeg -- 279.56kb -> 238.43kb (14.71%)
/services/web/app/static/images/storage/cryobox/new/from_file/save_dropdown.png -- 146.09kb -> 126.76kb (13.23%)
/services/web/app/static/images/misc/kryten.png -- 208.85kb -> 185.14kb (11.35%)
/doc/deployment/img/setup/step_one.png -- 118.50kb -> 105.90kb (10.63%)
/services/web/app/static/images/logos/aber.svg -- 46.01kb -> 42.72kb (7.15%)
/doc/sample/img/registration/step_three.jpeg -- 137.97kb -> 129.06kb (6.46%)
/doc/sample/img/registration/final_sample.jpeg -- 143.85kb -> 135.39kb (5.88%)
/services/web/app/static/images/misc/team/luis.jpg -- 179.45kb -> 172.38kb (3.94%)
/services/web/app/static/images/misc/team/chuan.jpg -- 78.85kb -> 75.88kb (3.77%)
/screenshot.jpeg -- 243.84kb -> 237.49kb (2.6%)
/services/web/app/static/images/logos/hduhb.svg -- 244.45kb -> 242.61kb (0.75%)
/services/web/app/static/images/laptop.png -- 201.01kb -> 199.95kb (0.53%)
/services/web/app/static/images/phone.png -- 219.01kb -> 218.50kb (0.23%)
/services/web/app/static/images/misc/team/rob.jpg -- 4.52kb -> 4.51kb (0.13%)

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