first md file trial for doc/blog
changed headers in one
adding body to the first few sections
Update documentation/build_manual/dynamic_dns.md
Update documentation/build_manual/dynamic_dns.md
added stand-alone fixed zone
Update documentation/build_manual/dynamic_dns.md
added fixed domain DNS config
indent to get code highlighting
added dynamic zone
fixed rndc permissions
added initial data table
Update documentation/build_manual/dynamic_dns.md
added information gathering
added information gathering
added service test commands
cite marks for every line
use indent instead of cites
added verify and references
re-section verify (add|remove) and remove highlights from code