Merge pull request #451 from falconexe/patch-1

Update MIGRATIONS.md

Author: PavelSheremetev

MIGRATIONS.md

@@ -11,7 +11,16 @@ Download the official v4.0 binary from GitHub:
 
 Replace your existing node binary with the new one.
 
-## 2. Remove the Deprecated `--lighthouse-account` Flag
+## 2. Download Parachain Snapshot
+
+Download parachain snapsot from:
+
+* Link: [https://snapshots.robonomics.network/](https://snapshots.robonomics.network/)
+
+Clear your parachain base and extract from archive to ```/path/to/your/parachain/database```.
+Fix permissions if necessary.
+
+## 3. Remove the Deprecated `--lighthouse-account` Flag
 
 Starting from v4.0, the `--lighthouse-account` CLI flag is no longer supported.
 
@@ -23,7 +32,7 @@ If your systemd service or startup script contains:
 
 Remove this line entirely before restarting the node.
 
-## 3. Generate New Session Keys
+## 4. Generate New Session Keys
 
 Robonomics v4.0 follows the updated Polkadot SDK requirements, so collators must generate fresh session keys.
 
@@ -47,7 +56,7 @@ To generate session keys:
 
 Restart the node after generating the keys to ensure they are active.
 
-## 4. Register Your Collator On-Chain
+## 5. Register Your Collator On-Chain
 
 Once the node is running with the new session keys, you must register (or re-register) your collator in the **Collator Selection pallet**.