Fix XEUS_CPP_RESOURCE_DIR in Emscripten build instructions#687

mcbarton merged 2 commits intocompiler-research:maincompiler-research/CppInterOp:mainfrom

mcbarton:fix-wasm-simd-documentation-xeus-cppmcbarton/CppInterOp:fix-wasm-simd-documentation-xeus-cppCopy head branch name to clipboard