langchain

031e32f3 - searx: implement async + helper tool providing json results (#2129)

searx: implement async + helper tool providing json results (#2129) - implemented `arun` and `aresults`. Reuses aiosession if available. - helper tools `SearxSearchRun` and `SearxSearchResults` - update doc Co-authored-by: blob42 <spike@w530>