Merge pull request #7382 from metabase/docs-for-0.29

docs/administration-guide/03-metadata-editing.md

docs/administration-guide/images/filter-options.png

docs/users-guide/05-visualizing-results.md

docs/users-guide/08-dashboard-filters.md

docs/users-guide/10-pulses.md

docs/users-guide/14-x-rays.md

docs/users-guide/images/dashboard-filters/autocomplete.png

...sers-guide/images/dashboard-filters/dashboard-filters.png

docs/users-guide/images/dashboard-filters/list.png

docs/users-guide/images/dashboard-filters/multi-select.png

docs/users-guide/images/dashboard-filters/search-options.png

docs/users-guide/images/pulses/table.png

docs/users-guide/images/visualizations/row.png

docs/users-guide/images/x-rays/data-reference.png

docs/users-guide/images/x-rays/drill-through.png

docs/users-guide/images/x-rays/example.png

docs/users-guide/images/x-rays/suggestions.png