Setup
- To be able to get suggesstion on qt based methods, classes. adding includepath is necessary. it is `/usr/include/qt` and `/usr/include/qt/QtWidgets`
- for nvim and zed add `.clangd` in project directory and add following
  ```yaml
  CompileFlags:
  Add:
    - "-I/usr/include/qt"
    - "-I/usr/include/qt/QtWidgets"

  ```
  in vscode its `.vscode/c_cpp_properties.json` under includepath
  ```json
	{
		"configurations": [
			{
				"name": "Linux",
				"includePath": [
					"${workspaceFolder}/**",
					"/usr/include/qt/QtWidgets",
					"/usr/include/qt"
				],
				"defines": [],
				"compilerPath": "/usr/bin/clang",
				"cStandard": "c17",
				"cppStandard": "c++17",
				"intelliSenseMode": "linux-clang-x64"
			}
		],
		"version": 4
	}
 ```