* Fix Go multi-tool tutorial snippet to include two tools
* Update model string in multi-tool snippets to gemini-flash-latest in Python, TS, Java
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Co-authored-by: Kristopher Overholt <koverholt@google.com>
* fix: update gemini 2.0 flash to latest model id for Live API
* fix: use -flash for most pages instead of the live api model
* fix: wording andformatting
* fix: resolve merge conflict