Add prolog file to support starting with a ~library/<libfile>.pro, and generating both a <libfile>.alb and <libfile>.md, updating docsdb_alslib.pro, and updating both ~src_help_md/alshelp/toc_alslib.html and ~docs/ref-manual/md_toc_alslib.html.
Add prolog file to support starting with a ~library/<libfile>.pro, and generating both a <libfile>.alb and <libfile>.md, updating docsdb_alslib.pro, and updating both ~src_help_md/alshelp/toc_alslib.html and ~docs/ref-manual/md_toc_alslib.html.

AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog,AppliedLogicSystems/ALSProlog