[ImgBot] Optimize images

*Total -- 1,782.46kb -> 1,591.01kb (10.74%)

/apps/docs/src/images/ai-app-e2b-sandbox-model.png -- 18.35kb -> 6.29kb (65.75%)
/apps/docs/src/images/custom-sandbox.png -- 38.86kb -> 19.41kb (50.06%)
/apps/docs/src/images/sandbox-build-output.png -- 94.72kb -> 67.68kb (28.54%)
/apps/docs/src/images/logos/python.svg -- 0.89kb -> 0.79kb (10.92%)
/readme-assets/preview.png -- 823.51kb -> 736.91kb (10.52%)
/apps/docs/src/app/twitter-image.png -- 371.97kb -> 349.28kb (6.1%)
/apps/docs/src/app/opengraph-image.png -- 371.97kb -> 349.28kb (6.1%)
/apps/docs/src/images/logos/openai.svg -- 2.40kb -> 2.35kb (2.08%)
/readme-assets/logo-circle.png -- 20.11kb -> 19.81kb (1.49%)
/apps/docs/src/images/logos/node.svg -- 1.37kb -> 1.36kb (1.21%)
/packages/cli/testground/demo-basic/assets-to-be-ignored/cool-doge.gif -- 38.31kb -> 37.86kb (1.19%)

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