[ImgBot] Optimize images (#142)

*Total -- 5,537.31kb -> 5,384.71kb (2.76%)

/src/images/officers/avi-tom.jpg -- 920.27kb -> 888.45kb (3.46%)
/src/images/officers/avi-jacob.jpg -- 905.60kb -> 874.42kb (3.44%)
/src/images/officers/avi-gi.jpg -- 123.87kb -> 119.61kb (3.44%)
/src/images/officers/avi-drew.jpg -- 834.52kb -> 809.03kb (3.05%)
/src/images/officers/avi-lizzy.jpg -- 835.36kb -> 814.36kb (2.51%)
/src/images/officers/avi-alex.jpg -- 698.91kb -> 683.01kb (2.27%)
/src/images/officers/avi-pat.jpg -- 652.39kb -> 638.81kb (2.08%)
/src/images/officers/avi-katie.jpg -- 566.41kb -> 557.02kb (1.66%)

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Author: imgbot[bot]