instead of trying to match the given string as-is, split it into tokens (space-separated words) and try to match those. This allows to match out of order, for example "mir vid" will match gemini://vidage.rocks/blog/parliamo-di-mirror.gmi

The issue with building out-of-tree was that some pages were generated by autoconf in $(builddir) and others were as-in in $(srcdir). While it was possible to use the right combination of $(builddir)/$(srcdir), just move everything as .in and generate every page during the configure step.

Persist a generalized history of visited URL in history_file and try to keep it in sync during telescope usage and shutdown.

move the logic into its own function.

see github issue #9