Update current-fees.mdx

add opbnb

Author: KemarTiti

pages/price-feeds/current-fees.mdx

@@ -11,13 +11,14 @@ Please note the fees shown below is the amount paid in `msg.value` per price fee
   Ethereum**).
 </Callout>
 
-| **Network** | **Fees**         |
-| ----------- | ---------------- |
-| Aurora      | 0.000003 **ETH** |
-| Avalanche   | 0.00025 **AVAX** |
-| Conflux     | 0.1 **CFX**      |
-| Cronos      | 0.06 **CRO**     |
-| Meter       | 0.02 **MTR**     |
-| Ronin       | 0.001 **RON**    |
-| Sei         | 0.01 **SEI**     |
-| Shimmer     | 1 **SMR**        |
+| **Network** | **Fees**           |
+| ----------- | ------------------ |
+| Aurora      | 0.000003 **ETH**   |
+| Avalanche   | 0.00025 **AVAX**   |
+| Conflux     | 0.1 **CFX**        |
+| Cronos      | 0.06 **CRO**       |
+| Meter       | 0.02 **MTR**       |
+| opBNB       | 0.000186 **BNB**   |
+| Ronin       | 0.001 **RON**      |
+| Sei         | 0.01 **SEI**       |
+| Shimmer     | 1 **SMR**          |