Fix link to DNS Kconfig option. Add proper links to DNS files
in github. Fixed link to DNS sample application.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Add more information about DNS resolver to documentation. Move
generic DNS information from the sample application into DNS
resolver documentation.
Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Move guides and APIs into separate directories and cleanup naming
introducing index files rather than named section files.
Signed-off-by: Anas Nashif <anas.nashif@intel.com>