crud reorg: tutorial insert documents
crud-reorg: fixing broken links (part 1)

crud-reorg: fixing broken links (part 2)

crud-reorg: fixing broken links (part 3)

crud-reorg: fixing broken links (part 4)
trivial: adding missing newline at end of file
crud-reorg: tutes
crud-reorg: minor typo edits
crud-reorg: rename query tutorial page
crud-reorg: tutorial introduction blurbs
crud-reorg: restructuring to remove write-performance and strengthen data modification
crud-reorg: fixing more links
crud-reorg: adding TOC for tutorials page
crud-reorg: fixing changeed filenames
crud-reorg: fixing links part 1/0