Fix table issue: Don't use link text in tables (for wiki links)

More refactoring and cleanup. Figured out why some links were not working: Obsidian links work with forward slash *only*. Paths (from directory traversal, etc) are OS-specific, so on windows they get formatted with backslash.

More refactoring and cleanup. Still not sure how to get that file links to work.

table "name" links work better now. File links still have some issues.

moved link_is_external into path_helpers, minor cleanup

More work on table links, docos, and cleanup.

fix table links... revert back to just linking with wikilinks

clean up README

fix up csv->table generation

tags detected and added to the end of the file

tmpfile is a dev-dependency, not used in the main code

clion files

minor cleanup

rustfmt

remove first top-level header if it's the same as the page name (file stem)