Link directly to w3 sections in comments for cors filter (#4875)
Link directly to w3 sections in comments for cors filter (#4875)

Signed-off-by: Derek Schaller <a0f65b96f343fe439cad5d3da0dcb83de8f31c19@lyft.com>
lyft/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy,lyft/envoy,lyft/envoy,jrajahalme/envoy,envoyproxy/envoy-wasm,jrajahalme/envoy,istio/envoy,dnoe/envoy,lyft/envoy,lyft/envoy,istio/envoy,envoyproxy/envoy,istio/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy-wasm,envoyproxy/envoy,envoyproxy/envoy,eklitzke/envoy,dnoe/envoy,jrajahalme/envoy,envoyproxy/envoy,lizan/envoy,envoyproxy/envoy,lizan/envoy,eklitzke/envoy,lizan/envoy,istio/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy,lizan/envoy,jrajahalme/envoy,envoyproxy/envoy,istio/envoy,dnoe/envoy,jrajahalme/envoy,eklitzke/envoy,jrajahalme/envoy,eklitzke/envoy,dnoe/envoy,dnoe/envoy,lizan/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,lizan/envoy,envoyproxy/envoy,envoyproxy/envoy-wasm,envoyproxy/envoy,envoyproxy/envoy,lyft/envoy,istio/envoy,istio/envoy,eklitzke/envoy,eklitzke/envoy