added comment about fees

examples/oft-solana/tasks/solana/createOFTAdapter.ts

@@ -98,6 +98,7 @@ task('lz:oft-adapter:solana:create', 'Mints new SPL Token, Lockbox, and new OFT
 
         // Get the average compute unit price
         // getFee() uses connection.getRecentPrioritizationFees() to get recent fees and averages them
+        // This is necessary as Solana's default compute unit price is not always sufficient to land the tx
         const { averageFeeExcludingZeros } = await getFee()
         const computeUnitPrice = BigInt(Math.round(averageFeeExcludingZeros))