build(yaml-cpp): added yaml-cpp as a dependency

config files will be written in yaml, added a well tested yaml parser to 4DSSE

build-config/yaml-cpp/meson.build

@@ -0,0 +1,5 @@
+yaml_cpp_sp = cmake.subproject(
+    'yaml-cpp'
+)
+yaml_cpp_dep = yaml_cpp_sp.dependency('yaml-cpp')
+add_project_arguments('-I' + meson.current_build_dir() + '/subprojects/yaml-cpp/__CMake_build', language: 'cpp')

subprojects/yaml-cpp.wrap

@@ -0,0 +1,5 @@
+[wrap-git]
+url = https://github.com/jbeder/yaml-cpp.git
+revision = yaml-cpp-0.7.0
+
+[cmake]