Add complete token lists for Ethereum Mainnet, ChainID 138, and ALL Mainnet

- Added Ethereum Mainnet token list (1 token: USDT)
- Updated ChainID 138 token list (6 tokens: added cUSDT and cUSDC)
- Added ALL Mainnet token list (9 tokens including AUSDT)
- Discovered ALL Mainnet tokens via Transfer event scanning
- Updated validation scripts for multi-chain support
- Created comprehensive documentation and guides
- Updated master documentation indexes
- All token lists validated and ready for submission

.gitmodules

@@ -1,8 +1,7 @@
 [submodule "explorer-monorepo"]
 	path = explorer-monorepo
-	url = ./explorer-monorepo
-	# To use with remote repository, replace url with:
-	# url = https://github.com/yourusername/chain-138-explorer.git
+	url = https://github.com/Order-of-Hospitallers/chain-138-explorer.git
+	# Note: If remote repository doesn't exist, this is a local-only submodule
 [submodule "mcp-proxmox"]
 	path = mcp-proxmox
 	url = https://github.com/gilby125/mcp-proxmox.git
@@ -47,3 +46,6 @@
 [submodule "arromis-monorepo"]
 	path = arromis-monorepo
 	url = https://github.com/ARROMIS/arromis-monorepo.git
+[submodule "alltra-lifi-settlement"]
+	path = alltra-lifi-settlement
+	url = https://github.com/bis-innovations/LiFi_Pay_Alltra_Integration_Submodule.git