Add vcpkg port overlay and Example 11: vcpkg consumption

Fix critical iterator use-after-unlock concurrency bugs in SocketServer

Fix examples 03-05: Update HttpServer API usage

Add BUILD_EXAMPLES option to build scripts

Add TypeScript/C++ MCP interop with AI SDK support

Add comprehensive integration guide for non-vcpkg users

chore: commit updates to HTTP server, file server, and authentication headers

Security hardening: URL/query validation, socket improvements, TypeScript interop example

feat: Add nlohmann-json as git submodule for cross-platform MCP tests

feat: Add optional multi-threading support with BS::thread_pool

Redirect build.cmd to use proper Build-Windows.ps1 script

Add threading and URI parsing dependencies

docs: Streamline FEATURES.md - focus on current state and roadmap

docs: Update FEATURES.md with accurate implementation status

docs: Comprehensive README update reflecting all enterprise features