doc: update supported rr types

doc/introduction.rst

@@ -35,8 +35,8 @@ Knot DNS supports the following DNS features:
 * Response Rate Limiting
 * RR types A, NS, CNAME, SOA, PTR, HINFO, MINFO, MX, TXT, RP, AFSDB, RT, KEY,
   AAAA, LOC, SRV, NAPTR, KX, CERT, DNAME, APL, DS, SSHFP, IPSECKEY, RRSIG, NSEC,
-  DNSKEY, DHCID, NSEC3, NSEC3PARAM, TLSA, SPF, NID, L32, L64, LP, EUI48, EUI64
-  and Unknown
+  DNSKEY, DHCID, NSEC3, NSEC3PARAM, TLSA, CDS, CDNSKEY, SPF, NID, L32, L64, LP,
+  EUI48, EUI64 and Unknown
 
 Server features:
 

src/zscanner/NOTES

 - supported types: A, NS, CNAME, PTR, DNAME, SOA, HINFO, MINFO, MX, AFSDB, RT,
                    KX, TXT, SPF, RP, AAAA, LOC, SRV, NAPTR, CERT, DS, SSHFP,
                    IPSECKEY, RRSIG, NSEC, KEY, DNSKEY, DHCID, NSEC3, NSEC3PARAM,
-                   TLSA, APL, EUI48, EUI64, NID, L32, L64, LP, TYPE12345
+                   TLSA, CDS, CDNSKEY, APL, EUI48, EUI64, NID, L32, L64, LP,
+                   TYPE12345
 - the class IN is supported only (CLASS12345 notation is not supported too)
 - domain names can contain alphanumeric, '-', '_' and '/' characters
 - \x and \DDD notations are allowed in domain names and in text strings