monero: Add wallet RPC server to README

monero/README.md

@@ -26,7 +26,26 @@ docker run \
        --restricted-rpc
 ```
 
-<!-- TODO: Write wallet usage example. -->
+### Wallet Usage Example
+
+```
+docker run \
+       --name monero-wallet-rpc \
+       --rm \
+       -d \
+       --entrypoint /bin/monero-wallet-rpc \
+       -v /var/lib/monero/wallet:/data \
+       -p 18090:18090 \
+       moneromint/monero \
+       --daemon-host 1.2.3.4 \
+       --trusted-daemon \
+       --wallet-file /data/wallet \
+       --shared-ringdb-dir /data/shared-ringdb \
+       --rpc-bind-ip 0.0.0.0 \
+       --rpc-bind-port 18090 \
+       --confirm-external-bind \
+       --disable-rpc-auth
+```
 
 ### Links