add SHA3 and SHAKE vectors (#4213)

These can be used when OpenSSL 1.1.1 is released
diff --git a/docs/development/test-vectors.rst b/docs/development/test-vectors.rst
index fec0363..3eb810c 100644
--- a/docs/development/test-vectors.rst
+++ b/docs/development/test-vectors.rst
@@ -406,6 +406,8 @@
 * RIPEMD160 from the `RIPEMD website`_.
 * SHA1 from `NIST CAVP`_.
 * SHA2 (224, 256, 384, 512) from `NIST CAVP`_.
+* SHA3 (224, 256, 384, 512) from `NIST CAVP`_.
+* SHAKE (128, 256) from `NIST CAVP`_.
 * Blake2s and Blake2b from OpenSSL `test/evptests.txt`_.
 
 HMAC