feat(reflect-cpp): Switched from glaze -> reflect cpp

A bug was discovered in glaze which prevented valid toml output. We have
switched to toml++ and reflect-cpp. The interface has remained the same
so this should not break any code

examples/meson.build

@@ -1,2 +1,5 @@
 executable('simple_config_test', 'simple.cpp', dependencies: [config_dep])
-executable('simple_config_wasm_test', 'wasm.cpp', dependencies: [config_dep])
+
+if meson.is_cross_build() and host_machine.system() == 'wasm'
+    executable('simple_config_wasm_test', 'wasm.cpp', dependencies: [config_dep])
+endif