[ImgBot] Optimize images (#42)

*Total -- 118.95kb -> 95.30kb (19.89%)

/public/mistral.png -- 6.35kb -> 3.68kb (42.06%)
/public/claude.png -- 24.03kb -> 18.08kb (24.75%)
/public/qwen.png -- 68.21kb -> 54.71kb (19.79%)
/public/olmo.png -- 0.72kb -> 0.59kb (18.16%)
/public/llama.png -- 13.74kb -> 12.39kb (9.86%)
/widget/public/vite.svg -- 1.46kb -> 1.42kb (2.87%)
/public/ollama.png -- 3.32kb -> 3.31kb (0.35%)
/OpenAgent.svg -- 1.12kb -> 1.12kb (0.09%)

Signed-off-by: ImgBotApp <ImgBotHelp@gmail.com>
Co-authored-by: ImgBotApp <ImgBotHelp@gmail.com>

Author: imgbot[bot]