fix(binder): update project path in start script for Pluto notebook

Author: amaurigmartins

binder/start

@@ -2,4 +2,4 @@
 set -euxo pipefail
 
 # Start Pluto on the Binder port and open your notebook
-exec julia --project=binder -e 'import Pluto; import WGLMakie; WGLMakie.activate!(); using PlutoStyles; Pluto.run(host = "0.0.0.0", port = parse(Int, get(ENV, "PORT", "8888")), launch_browser = false, require_secret_for_open_links=false, require_secret_for_access=false)'
+exec julia --project=/home/jovyan/binder -e 'import Pluto; import WGLMakie; WGLMakie.activate!(); using PlutoStyles; Pluto.run(host = "0.0.0.0", port = parse(Int, get(ENV, "PORT", "8888")), launch_browser = false, require_secret_for_open_links=false, require_secret_for_access=false)'