I assume this is one of those easy-money on options traps.
They are usually provided as a java jar.
→ [root tip] [How To] I have downloaded a program as a jar file - what now?
In this case it is an electron based application - do remember that any custom application is unsupported by Manjaro. It comes with their own caveats and may cease functioning without warning e.g. on a system repo sync.
→ [Need-To-Know] About Manjaro and AUR
It is possibly a better option to use snap …