doc: invoke-ligo

Author: aguillon

docs/Deku-Canonical/deku_c_cli.md

@@ -109,3 +109,13 @@ where
 
 The `parameter` can be provided by the Ligo compiler using the `ligo compile parameter` command.
 
+To invoke a contract with a Ligo expression directly, use the `invoke-ligo` command:
+
+```bash
+deku-cli wallet contract_address contract_path expression
+```
+
+where
+- `contract_path` is the path towards the contract source code, which is required to compile the
+  expression
+- `expression` is the Ligo expression to compile