docs: add HTTP 412 troubleshooting and publish bearer token protection docs on Learn (#22044)
* docs: add troubleshooting for HTTP 412 error when editing alert configs Add troubleshooting section to dynamic-configuration.md documenting HTTP 412 error cause (missing bearer token authentication) when editing alert configurations, clarifying it is not a schema validation error, and providing resolution steps. * docs: correct HTTP 412 troubleshooting cause from permissions to missing bearer token * docs: remove manual TOC from dynamic-configuration.md The documentation platform auto-generates a dynamic TOC from page headings, so the manually maintained Table of Contents is redundant. * Apply suggestions from code review Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> * Apply suggestions from code review Co-authored-by: Fotis Voutsas <fotis@netdata.cloud> * Update map.yaml * Update secure-your-netdata-agent-with-bearer-token.md * Update dynamic-configuration.md * Update secure-your-netdata-agent-with-bearer-token.md * Update docs/netdata-agent/configuration/dynamic-configuration.md Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com> --------- Co-authored-by: nedi-app[bot] <bot@netdata.cloud> Co-authored-by: Fotis Voutsas <fotis@netdata.cloud> Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>