chore: include valkey logo

Signed-off-by: Otavio Santana <otaviopolianasantana@gmail.com>

Author: otaviojava

docs/supported_dbs.md

@@ -21,4 +21,4 @@ If you'd rather see the list of names, you can find them here:
 | [IBM Graph](https://www.ibm.com/analytics/ca/en/technology/cloud-data-services/graph/) |   [Apache CouchDB](https://couchdb.apache.org/)   | [Infinispan](https://infinispan.org/)     | [Elastic](https://www.elastic.co/)    | [Grakn Cosmos](https://grakncosmos.com/)                     | [Hazelcast](https://hazelcast.com/)        | [Apache Hbase](https://hbase.apache.org/) |
 | [Azure CosmosDB](https://docs.microsoft.com/en-us/azure/cosmos-db/introduction) |        [Stardog](https://www.stardog.com/)        | [Titan](https://titan.thinkaurelius.com/) | [JanusGraph](https://janusgraph.org/) | [KeyLines](https://cambridge-intelligence.com/keylines/)     | [Linkurious](https://linkurio.us/)         | [Memcached](https://memcached.org/)       |
 |             [MongoDB](https://www.mongodb.com/)              |  [Apache Solr](https://lucene.apache.org/solr/)   | [Scylla](https://www.scylladb.com/)       | [Neo4J](https://neo4j.com/)           | [Oracle NoSQL Database](https://www.oracle.com/database/nosql/) | [OrientDB](https://www.orientdb.org/)      | [Redis](https://redis.io/)                |
-|                  [Riak](https://riak.com/)                   |          [RavenDB](https://ravendb.net/)          |            [Codelobster](https://codelobster.com/)                               |                                       |                                                              |                                            |                                           |
+|                  [Riak](https://riak.com/)                   |          [RavenDB](https://ravendb.net/)          |            [Codelobster](https://codelobster.com/)                               | [Valkey](https://valkey.io/)                                       |                                                              |                                            |                                           |