Perform monthly maintenance check

[dudo50]

Perform maintenance check:

• Remove chains that are inactive
• Upgrade XCM Versions
• Add XCM compatible chains
• Resolve: https://github.com/paraspell/xcm-tools/issues/259

[dudo50]

Polkadot chains:

• ✅ Add support for Bridge hub Polkadot chain
• ✅ Rename HydraDX to Hydration
• ✅ Acala: updated xTokens to v4 but we are keeping it at v3 (Most chains still on v3 so v4 would break compatibility)
• ✅ Hydration: updated xTokens to v4 but we are keeping it at v3 (Most chains still on v3 so v4 would break compatibility)
• ✅ Moonbeam: updated xTokens to v4 but we are keeping it at v3 (Most chains still on v3 so v4 would break compatibility)
• ✅ DOCS: Update github repo for AssetHub to this one
• ✅ DOCS: Update Hydration (Formerly HydraDX) website to this one

[dudo50]

Kusama chains:

• ✅ Add support for Bridge hub Kusama chain
• ✅ Remove Mangata chain
• ✅ Karura: updated xTokens to v4 but we are keeping it at v3 (Most chains still on v3 so v4 would break compatibility)
• ✅ Basilisk: updated xTokens to v4 but we are keeping it at v3 (Most chains still on v3 so v4 would break compatibility)
• ✅ Moonriver: updated xTokens to v4 but we are keeping it at v3 (Most chains still on v3 so v4 would break compatibility)
• ✅ Bifrost Kusama: updated xTokens to v4 but we are keeping it at v3 (Most chains still on v3 so v4 would break compatibility)
• ✅ Integritee Kusama: updated xTokens to v4 but we are keeping it at v3 (Most chains still on v3 so v4 would break compatibility)
• ✅ DOCS: Update github repo for AssetHub to this one

[dudo50]

Resolved in https://github.com/paraspell/xcm-tools/pull/285