feat: add hilbish.home

`hilbish.home` is the user's home directory path
this is a cross platform variable that works instead of using
`$HOME` (which isnt set in windows cmd, i think)

hilbish.go

@@ -25,6 +25,7 @@ func HilbishLoader(L *lua.LState) int {
 	L.SetField(mod, "ver", lua.LString(version))
 	L.SetField(mod, "user", lua.LString(curuser.Username))
 	L.SetField(mod, "host", lua.LString(host))
+	L.SetField(mod, "home", lua.LString(homedir))
 
 	L.Push(mod)