Feature: vouchers services on sdk side & vouchers cmds on cli

docs/devhub/sdks-and-tools/aleph-cli/commands/account.md

@@ -73,6 +73,11 @@ aleph account address
 aleph account balance
 ```
 
+## Checking Voucher
+````
+aleph account vouchers
+````
+
 ## Managing Multiple Keys
 
 The CLI supports multiple keys for different chains:

docs/devhub/sdks-and-tools/python-sdk/index.md

@@ -818,6 +818,20 @@ Remove all the ports for a VM
         item_hash=ItemHash("item_hash")
     )
 ```
+### Voucher
+Fetch Voucher by address 
+````python
+    evm_voucher: list[Voucher] = await client.voucher.get_evm_vouchers("0x...")
+    sol_voucher: list[Voucher] = await client.voucher.get_solana_vouchers("address")
+
+    voucher: list[Voucher] = await client.voucher.get_vouchers(addres) # Will get voucher based on address if it evm or sol
+
+    voucher: list[Voucher] = awaot client.voucher.fetch_vouchers_by_chain("address", Chain.ETH)
+
+    for voucher in evem_voucher:
+        metadata = await client.voucher.fetch_voucher_metadata(voucher.metadata_id)
+
+````
 # Resources
 
 - [GitHub Repository](https://github.com/aleph-im/aleph-sdk-python)