VS Code CMake Helper: first implementation (#1)

CMake the way CLion does it (profiles and presets, targets, run and debug
configurations, CTest)

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
Co-authored-by: Tomáš Černík <Tom.cernik@gmail.com>
Reviewed-on: #1

Dockerfile

@@ -0,0 +1,13 @@
+# Everything the extension needs to be built and packaged (Node), and what it
+# drives, to try it on example/: CMake, Ninja, a C++ compiler, GDB.
+# Used by scripts/docker.sh and by the dev container (.devcontainer/).
+FROM node:22-bookworm
+
+RUN apt-get update \
+ && apt-get install -y --no-install-recommends cmake ninja-build make g++ gdb gdbserver git ca-certificates \
+ && rm -rf /var/lib/apt/lists/*
+
+ENV NPM_CONFIG_UPDATE_NOTIFIER=false
+WORKDIR /workspace
+USER node
+CMD ["bash"]