Image-text retrieval with EmbeddingGemma 2's vision tower, running in the browser on WebGPU

EmbeddingGemma 2 came out this week. It maps images and text into one 768-dim space, so you can search photos by describing them. I ported its text and vision towers to ruNNtime, a WebGPU inference library in TypeScript, and made a small photo gallery where search runs entirely on your GPU in the br