Add licensing information

Author: khalidzahra

README.md

@@ -105,3 +105,6 @@ The domain revocation protocol and its conditions are described as follows:
 4. **Asset Removal on Root Network**:  
    If the root network detects a revoked domain, it initiates the removal of all associated asset references linked to the domain. This is done through an asset removal transaction to maintain data consistency across the architecture.
 
+## Licensing
+
+This project is licensed under the Apache License 2.0.

polkadot-sdk-solochain-template/pallets/rootdns/README.md

@@ -1 +1,5 @@
-License: MIT-0
+# Rootdns Pallet
+The Rootdns pallet allows users to register top-level domain (TLD) networks on the blockchain.
+The pallet stores the chain specification of the TLD network as a JSON file.
+
+License: Apache-2.0

polkadot-sdk-solochain-template/pallets/tld/README.md

@@ -1 +1,5 @@
-License: MIT-0
+# TLD Pallet
+The TLD pallet enables the registration and management of top-level domain (TLD) networks on the blockchain.
+It facilitates the storage of TLD chain specifications and provides functionality for their modification and removal.
+
+License: Apache-2.0