[bindings] Update C++ demo for new NetGraphMsgHandler::new() params
-rw-r--r-- 140 .editorconfig
drwxr-xr-x - .github
-rw-r--r-- 151 .gitignore
-rw-r--r-- 4139 ARCH.md
-rw-r--r-- 7085 CONTRIBUTING.md
-rw-r--r-- 555 Cargo.toml
-rw-r--r-- 2539 GLOSSARY.md
-rw-r--r-- 11357 LICENSE-APACHE
-rw-r--r-- 1023 LICENSE-MIT
-rw-r--r-- 694 LICENSE.md
-rw-r--r-- 6759 README.md
drwxr-xr-x - c-bindings-gen
drwxr-xr-x - ci
drwxr-xr-x - fuzz
-rwxr-xr-x 8184 genbindings.sh
drwxr-xr-x - lightning-c-bindings
drwxr-xr-x - lightning-net-tokio
drwxr-xr-x - lightning-persister
drwxr-xr-x - lightning