use ninja generator

Signed-off-by: Tony Xiang <[email protected]>

Author: TonyXiang8787

.vscode/settings.json

@@ -5,6 +5,7 @@
     "cmake.buildDirectory": "${workspaceFolder}/cpp_build_${buildType}",
     "C_Cpp.autoAddFileAssociations": false,
     "cmake.configureOnOpen": true,
+    "cmake.generator": "Ninja",
     "testMate.cpp.test.executables": "cpp_build_${command:cmake.buildType}/tests/cpp_unit_tests/power_grid_model_unit_tests",
     "python.testing.pytestArgs": [
         "tests",