Match with SDK

Author: philogicae

.env.example

@@ -1,4 +1,5 @@
 # To modify aleph.sdk.conf's settings, create a .env file and add:
 # ALEPH_<KEY>=<VALUE>
-# To modify allowed CHAINS, follow this example:
-# ALEPH_CHAINS_SEPOLIA_ACTIVE=True
+# To modify active & rpc fields in CHAINS, follow this example:
+# ALEPH_CHAINS_SEPOLIA_ACTIVE=True
+# ALEPH_CHAINS_SEPOLIA_RPC=https://...