add megaeth l2ep sequencer feed (#3414)

Author: dev-dist

src/content/data-feeds/l2-sequencer-feeds.mdx

@@ -47,6 +47,12 @@ Mantle Mainnet: [0xaDE1b9AbB98c6A542E4B49db2588a3Ec4bF7Cdf0](https://mantlescan.
 
 <br />
 
+### <img src="/assets/chains/megaeth.svg" style="height: 20px; width: auto; margin-right: 8px;" />MegaETH
+
+MegaETH Mainnet: [0x78B2195A21B8BBe82acaB43F90F9180E9513FD0C](https://megaeth.blockscout.com/address/0x78B2195A21B8BBe82acaB43F90F9180E9513FD0C)
+
+<br />
+
 ### <img src="/assets/chains/metis.svg" style="height: 20px; width: auto; margin-right: 8px;" />Metis
 
 Andromeda Mainnet: [0x58218ea7422255EBE94e56b504035a784b7AA204](https://andromeda-explorer.metis.io/address/0x58218ea7422255EBE94e56b504035a784b7AA204)

src/content/data-feeds/llms-full.txt

@@ -1633,6 +1633,10 @@ Celo Mainnet: [0x4CD491Dc27C8B0BbD10D516A502856B786939d18](https://celoscan.io/a
 
 Mantle Mainnet: [0xaDE1b9AbB98c6A542E4B49db2588a3Ec4bF7Cdf0](https://mantlescan.xyz/address/0xaDE1b9AbB98c6A542E4B49db2588a3Ec4bF7Cdf0)
 
+### <img src="/assets/chains/megaeth.svg" style="height: 20px; width: auto; margin-right: 8px;" />MegaETH
+
+MegaETH Mainnet: [0x78B2195A21B8BBe82acaB43F90F9180E9513FD0C](https://megaeth.blockscout.com/address/0x78B2195A21B8BBe82acaB43F90F9180E9513FD0C)
+
 ### <img src="/assets/chains/metis.svg" style="height: 20px; width: auto; margin-right: 8px;" />Metis
 
 Andromeda Mainnet: [0x58218ea7422255EBE94e56b504035a784b7AA204](https://andromeda-explorer.metis.io/address/0x58218ea7422255EBE94e56b504035a784b7AA204)