Encode and estimate Rococo/Wococo/Kusama/Polkadot messages (#1322)

* encode and estimate Rococo/Wococo/Kusama/Polkadot messages

* allow send-message for non-bundled chains

* weight -> dispatch-weight

* fmt

* fix spelling

bridges/relays/bin-substrate/src/cli/estimate_fee.rs

@@ -103,6 +103,8 @@ mod tests {
 			"call",
 			"--sender",
 			&alice,
+			"--dispatch-weight",
+			"42",
 			"remark",
 			"--remark-payload",
 			"1234",
@@ -129,7 +131,8 @@ mod tests {
 					call: encode_call::Call::Remark {
 						remark_payload: Some(HexBytes(vec![0x12, 0x34])),
 						remark_size: None,
-					}
+					},
+					dispatch_weight: Some(42),
 				}
 			}
 		);