In .gitroot/plugins.yml of your root repository add:
1- url: https://gitroot.dev/releases/0.3.0/hop-0.0.1.wasm
2 checksum: sha256:b67e9418702648a493f40d4f5375b51a6ade2812382ddc43c4a1133d8c5c3b44
Permit permit to run commands in an executor (dependanding on the forge configuration): bareMetalm bwrap, container or ssh.