[ImgBot] Optimize images

*Total -- 2,919.42kb -> 1,562.33kb (46.48%)

/docs/connected-action.png -- 227.62kb -> 98.87kb (56.56%)
/docs/action.png -- 241.41kb -> 107.74kb (55.37%)
/docs/create-trigger.png -- 348.79kb -> 163.43kb (53.14%)
/docs/parameters.png -- 337.63kb -> 159.75kb (52.68%)
/docs/create-action.png -- 352.06kb -> 171.33kb (51.34%)
/docs/code-action.png -- 561.09kb -> 288.34kb (48.61%)
/docs/screenshot.png -- 797.29kb -> 536.22kb (32.74%)
/docs/architecture.png -- 53.53kb -> 36.66kb (31.52%)

Author: ImgBotApp