* Langchain adapter
* Removed langchain agent
* Refactored mcpagent, removed import
* Removed double initialization
* Server manager implementation
* Moved prompts to proper place and relative utils too
* Working server manager agent integration
* Update examples
* Removed debug true and added verbose option
* Replaced switch server to server disconnect
* Docs about server switching
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Signed-off-by: pietrozullo <62951181+pietrozullo@users.noreply.github.com>