[ImgBot] Optimize images - #3

*Total -- 7,848.55kb -> 6,782.26kb (13.59%)

/docs/docsify/img/file_struct.png -- 19.10kb -> 6.96kb (63.55%)
/docs/techdoc/database/img/complete_block_chart.png -- 37.44kb -> 15.48kb (58.66%)
/docs/factors/img/grid1.png -- 20.01kb -> 8.35kb (58.28%)
/docs/userdoc/img/sensors2.png -- 15.45kb -> 7.15kb (53.72%)
/docs/media/img/sensors_moving.png -- 91.73kb -> 48.39kb (47.25%)
/docs/userdoc/img/sensors4.png -- 720.07kb -> 395.25kb (45.11%)
/docs/techdoc/ui/img/ui_file_struct.png -- 6.58kb -> 3.86kb (41.33%)
/docs/userdoc/img/sensors6.png -- 229.20kb -> 138.07kb (39.76%)
/docs/userdoc/img/sensors1.png -- 621.47kb -> 385.91kb (37.9%)
/docs/userdoc/img/sensors3.png -- 211.79kb -> 137.90kb (34.89%)
/docs/factors/img/grid2.png -- 31.23kb -> 20.85kb (33.23%)
/ui/public/images/compress-airzoom.png -- 19.18kb -> 13.35kb (30.38%)
/docs/userdoc/img/user3.png -- 41.63kb -> 29.58kb (28.95%)
/docs/userdoc/img/ui_login_page.png -- 19.21kb -> 13.96kb (27.34%)
/docs/img/under_construction.svg -- 8.09kb -> 5.91kb (26.92%)
/docs/userdoc/img/sensors5.png -- 16.22kb -> 12.01kb (25.97%)
/docs/userdoc/img/sensors8.png -- 16.40kb -> 12.26kb (25.22%)
/docs/userdoc/img/user1.png -- 32.17kb -> 24.14kb (24.96%)
/docs/userdoc/img/ui_home_page.png -- 56.87kb -> 43.49kb (23.53%)
/docs/userdoc/img/sensors7.png -- 12.97kb -> 10.04kb (22.56%)
/docs/userdoc/img/org1.png -- 26.03kb -> 20.26kb (22.14%)
/docs/userdoc/img/user5.png -- 35.98kb -> 28.60kb (20.51%)
/docs/userdoc/img/org2.png -- 27.90kb -> 22.26kb (20.23%)
/docs/userdoc/img/user2.png -- 31.17kb -> 25.04kb (19.67%)
/docs/userdoc/img/ui_graph.png -- 31.89kb -> 25.64kb (19.61%)
/docs/userdoc/img/user4.png -- 34.15kb -> 27.55kb (19.33%)
/docs/userdoc/img/service2.png -- 33.60kb -> 27.22kb (18.99%)
/docs/userdoc/img/org3.png -- 32.70kb -> 26.57kb (18.76%)
/docs/userdoc/img/service3.png -- 34.34kb -> 28.11kb (18.15%)
/docs/userdoc/img/org4.png -- 30.81kb -> 25.82kb (16.19%)
/docs/userdoc/img/service1.png -- 68.96kb -> 61.93kb (10.19%)
/docs/media/img/ZKV.jpg -- 83.27kb -> 78.43kb (5.81%)
/docs/media/img/ROV.jpg -- 172.36kb -> 163.23kb (5.3%)
/docs/sensors/img/sensor_mount_01.svg -- 12.01kb -> 11.40kb (5.09%)
/docs/factors/img/o3_form.jpg -- 39.63kb -> 37.85kb (4.49%)
/docs/sensors/img/pic_sens2.jpg -- 181.77kb -> 174.14kb (4.2%)
/docs/img/logo.svg -- 5.68kb -> 5.44kb (4.15%)
/docs/media/img/project_timeline.svg -- 25.35kb -> 24.32kb (4.05%)
/docs/media/img/BEO.jpg -- 106.79kb -> 102.67kb (3.86%)
/docs/sensors/img/pic_sens1.jpg -- 153.35kb -> 148.04kb (3.47%)
/docs/sensors/img/sensor_mount.svg -- 44.53kb -> 43.04kb (3.36%)
/docs/media/img/MDY.jpg -- 108.36kb -> 104.80kb (3.29%)
/docs/factors/img/pm_scale.jpg -- 1,270.34kb -> 1,228.63kb (3.28%)
/docs/media/img/MOV.jpg -- 65.76kb -> 63.62kb (3.26%)
/docs/sensors/img/pm_gas_sensor_drawing.svg -- 90.67kb -> 87.74kb (3.22%)
/docs/img/under_development.png -- 113.55kb -> 109.92kb (3.2%)
/docs/media/img/PVR.jpg -- 124.58kb -> 120.66kb (3.15%)
/docs/media/img/HIV.jpg -- 119.41kb -> 116.25kb (2.65%)
/docs/sensors/img/pm_sensor_drawing.svg -- 58.89kb -> 57.38kb (2.55%)
/docs/media/img/HOM.jpg -- 105.67kb -> 103.46kb (2.09%)
/ui/public/images/airzoom.svg -- 6.50kb -> 6.37kb (2.09%)
/docs/img/logo-1.svg -- 6.50kb -> 6.37kb (2.09%)
/docs/media/img/BOO.jpg -- 116.98kb -> 115.25kb (1.48%)
/docs/media/img/HDV.jpg -- 34.72kb -> 34.22kb (1.42%)
/docs/sensors/img/pic_map2.jpg -- 64.70kb -> 64.37kb (0.52%)
/docs/sensors/img/pic_sens4.jpg -- 17.34kb -> 17.31kb (0.17%)
/docs/sensors/img/location_map.jpg -- 2,105.46kb -> 2,105.46kb (0%)

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