[Ethereum] [Mythos] [MYTH] Enable MYTH bridging from Ethereum to Mythos via Snowbridge (#411)

[ruhil6789]

Related issues

Fixes #411

Summary

This PR enables in-app bridging for MYTH token from Ethereum to Mythos via Snowbridge by adding the necessary asset reference configuration.

Changes Made

• Added new asset reference entry in AssetRef.json to enable MYTH bridging from Ethereum to Mythos
• Source: ethereum-ERC20-MYTH-0xBA41Ddf06B7fFD89D1267b5A93BFeF2424eb2003
• Destination: mythos-NATIVE-MYTH
• Path: XCM (Snowbridge routing mechanism)

Technical Details

• Source Asset: Ethereum ERC20 MYTH token (contract: 0xBA41Ddf06B7fFD89D1267b5A93BFeF2424eb2003)
• Destination Asset: Mythos native MYTH token
• Bridging Path: XCM via Snowbridge
• Entry Location: Added after line 708 in AssetRef.json, keeping MYTH-related entries grouped together

Verification

• JSON syntax validated
• Entry format matches existing asset references
• No duplicate entries
• Proper comma placement and JSON structure

Testing

The asset reference has been added and follows the same format as other bridging entries in the file. This enables the in-app bridging feature for MYTH tokens from Ethereum to Mythos.