feat: add OpenAI-compatible AI provider plugin with SSE streaming support

- Implemented the OpenAI-compatible AI provider plugin, including configuration, chat, and chat_stream functionalities.
- Added support for SSE streaming and tool calls.
- Integrated Boost.JSON for JSON handling.
- Created CMake configuration for the plugin.
- Added error handling and logging throughout the plugin.

tests/network_plugin_test.cpp

@@ -9,7 +9,7 @@
  */
 #define _CRT_SECURE_NO_WARNINGS
 #define BOOST_ASIO_DISABLE_STD_TO_ADDRESS
-#include "../plugins/network/src/network_plugin.cpp"
+#include "../plugins_middle/network/src/network_plugin.cpp"
 
 #include <cstdio>
 #include <cstdlib>