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

.dockerignore

@@ -0,0 +1,6 @@
+node_modules/
+out/
+*.vsix
+.git/
+example/build/
+example/cmake-build-*/