chore: adds Tron CAIP (#266)

We are adding the Tron CAIP namespace.

Author: zone-live

src/caip-types.ts

@@ -137,6 +137,8 @@ export enum KnownCaipNamespace {
   Bip122 = 'bip122',
   /** Solana compatible chains */
   Solana = 'solana',
+  /** Tron compatible chains */
+  Tron = 'tron',
   /** EIP-155 compatible chains. */
   Eip155 = 'eip155',
   Wallet = 'wallet',