Add documentation tags

modules/juce_cryptography/hashing/juce_MD5.h

@@ -36,6 +36,8 @@ namespace juce
 
     You can then retrieve this checksum as a 16-byte block, or as a hex string.
     @see SHA256
+
+    @tags{Cryptography}
 */
 class JUCE_API  MD5
 {

modules/juce_cryptography/hashing/juce_SHA256.h

@@ -36,6 +36,8 @@ namespace juce
 
     You can retrieve the hash as a raw 32-byte block, or as a 64-digit hex string.
     @see MD5
+
+    @tags{Cryptography}
 */
 class JUCE_API  SHA256
 {

modules/juce_cryptography/hashing/juce_Whirlpool.h

@@ -42,6 +42,8 @@ namespace juce
         https://www.cosic.esat.kuleuven.ac.be/nessie/workshop/submissions/whirlpool.zip
 
     @see SHA256, MD5
+
+    @tags{Cryptography}
 */
 class JUCE_API  Whirlpool
 {