* Spellcheck docs Fix spelling mistakes in docs and add CI job for running spellcheck on docs. * Add missing license header
* Add group_id to overlord tasks API and sys.tasks table * adjust test * modify docs * Make groupId nullable * fix integration test * fix toString * Remove groupId from TaskInfo * Modify docs and tests * modify TaskMonitorTest
* Docusaurus build framework + ingestion doc refresh. * stick to npm instead of yarn * fix typos * restore some _bin * Adjustments. * detect and fix redirect anchors * update anchor lint * Web-console: remove specific column filters (#8343) * add clear filter * update tool kit * remove usless check * auto run * add % * Fix resource leak (#8337) * Fix resource leak * Patch comments * Enable Spotbugs NP_NONNULL_RETURN_VIOLATION (#8234) * Fixes from PR review. * Fix more anchors. * Preamble nix. * Fix more anchors, headers * clean up placeholder page * add to website lint to travis config * better broken link checking * travis fix * Fixed more broken links * better redirects * unfancy catch * fix LGTM error * link fixes * fix md issues * Addl fixes