The _cat/shards docs asserted that one of the columns looked like
a propery byte size but used a regex like `\d+\.\d+.*` which doesn't
match `0b` which is a possible value. Instead this uses
`\d(\.\d+)?[kmg]?b`.
Funny node names have been removed in #19456 and replaced by UUID. This commit removes these obsolete node names and replace them by real UUIDs in the documentation.
closes#20065
- Removed "ok": true from response examples
- Added "created" flag to index response examples
- Replaced exists flag with found in delete response examples