Fix spellcheck

Author: rkalis

.cspell.json

@@ -229,6 +229,7 @@
         "incl",
         "infima",
         "jedex",
+        "kiok",
         "lichos",
         "mainnetjs",
         "maxdepth",

website/docs/releases/migration-notes.md

@@ -35,7 +35,7 @@ const builder = new TransactionBuilder({ provider }).setMaxFee(1000n);
 const builder = new TransactionBuilder({ provider, maximumFeeSatoshis: 1000n });
 ```
 
-Addtionally, `transactionBuilder.bitauthUri()` was renamed to `transactionBuilder.getBitauthUri()` for consistency.
+Additionally, `transactionBuilder.bitauthUri()` was renamed to `transactionBuilder.getBitauthUri()` for consistency.
 
 #### MockNetworkProvider