docs(website): update bootstrap cardano node guide

Author: dlachaume

docs/website/root/manual/getting-started/bootstrap-cardano-node.md

@@ -482,9 +482,38 @@ Cardano db 'a1b5e6f43521fd9c5f55e3d6bf27dc4a62f43980681cb67e28cc40582a0d1974' ha
     If you are using Cardano Docker image, you can restore a Cardano Node with:
 
     docker run -v cardano-node-ipc:/ipc -v cardano-node-data:/data --mount type=bind,source="/home/mithril/data/testnet/a1b5e6f43521fd9c5f55e3d6bf27dc4a62f43980681cb67e28cc40582a0d1974/db",target=/data/db/ -e NETWORK=preview ghcr.io/intersectmbo/cardano-node:10.4.1
+
+
+Upgrade and replace the restored ledger state snapshot to 'LMDB' flavor by running the command:
+
+    mithril-client --unstable tools utxo-hd snapshot-converter --db-directory db --cardano-node-version 10.4.1 --utxo-hd-flavor LMDB --cardano-network preview --commit
+
+    Or to 'Legacy' flavor by running the command:
+
+    mithril-client --unstable tools utxo-hd snapshot-converter --db-directory db --cardano-node-version 10.4.1 --utxo-hd-flavor Legacy --cardano-network preview --commit
 ```
 
-### Step 5: Launch a Cardano node from the restored Cardano DB snapshot
+### Step 5 (optional): Convert the ledger state snapshot to another flavor
+
+After restoring a snapshot with the `--include-ancillary` option, the ledger state is in the `InMemory` format. You can convert it to another UTxO-HD flavor (e.g., `LMDB` or `Legacy`) using the Mithril client `tools utxo-hd snapshot-converter` command.
+
+To do so, run the following command with the `--unstable` flag:
+
+```
+mithril-client --unstable tools utxo-hd snapshot-converter --db-directory db --cardano-node-version latest --utxo-hd-flavor LMDB --cardano-network $CARDANO_NETWORK
+```
+
+Or, to convert it to the `Legacy` flavor:
+
+```
+mithril-client --unstable tools utxo-hd snapshot-converter --db-directory db --cardano-node-version latest --utxo-hd-flavor Legacy --cardano-network $CARDANO_NETWORK
+```
+
+Use the `--commit` option to replace the current ledger state with the converted snapshot.
+
+You can also replace `latest` with a specific Cardano node version tag which will be used to download the corresponding Cardano node distribution and extract the `snapshot-converter` binary tool.
+
+### Step 6: Launch a Cardano node from the restored Cardano DB snapshot
 
 Launch an empty Cardano node and make it live in minutes!