envoyproxy/envoy#2256 adds restrictions to the backing sources for xDS resources. This change documents those restrictions.
Signed-off-by: Jose Nino <jnino@lyft.com>
1) Do RDS other than rate limit. This is large enough will do that next.
2) Manually order top level in v2 with better titles
3) Random other fixes
Note also that I'm going to manually reorder the protos in some cases in a
follow up so the docs make a bit more sense for a casual reader.
Signed-off-by: Matt Klein <mklein@lyft.com>