docs: add Cursor Cloud specific setup instructions to AGENTS.md (#12)

Co-authored-by: Cursor Agent <cursoragent@cursor.com>
Co-authored-by: Piotr Wodecki <PiotrWodecki@users.noreply.github.com>

Author: PiotrWodecki

AGENTS.md

@@ -0,0 +1,10 @@
+# gesture-recognition
+
+Example gesture-recognition web app (Vite + React, Yarn Berry).
+
+## Cursor Cloud specific instructions
+
+Node (via nvm) and Corepack/Yarn are pre-installed; the startup script runs `yarn install`. Non-obvious notes:
+
+- Validated commands: `yarn build`, `yarn lint` (both pass).
+- `yarn dev` starts the Vite dev server; a working demo needs a Fishjam backend configured via env.