Add other error item (#238)

* Add Other Error Item

* Create 237-add-othe-erorr-item.md

* fmt code

.changelog/unreleased/features/237-add-othe-erorr-item.md

@@ -0,0 +1,2 @@
+- Add Other Item for Ics02Client,Ics03connection, Ics04Channel Error
+  ([#237](https://github.com/cosmos/ibc-rs/issues/237))

crates/ibc/src/core/ics02_client/error.rs

@@ -272,5 +272,9 @@ define_error! {
         ClientSpecific
             { description: String }
             | e | { format_args!("client specific error: {0}", e.description) },
+
+        Other
+            { description: String }
+            | e| { format_args!("other error: {0}", e.description) },
     }
 }

crates/ibc/src/core/ics03_connection/error.rs

@@ -166,5 +166,9 @@ define_error! {
                 reason: String,
             }
             | e | { format_args!("invalid client state: {0}", e.reason) },
+
+        Other
+            { description: String }
+            | e| { format_args!("other error: {0}", e.description) },
     }
 }

crates/ibc/src/core/ics04_channel/error.rs

@@ -351,6 +351,10 @@ define_error! {
         AbciConversionFailed
             { abci_event: String }
             | e | { format_args!("Failed to convert abci event to IbcEvent: {}", e.abci_event)},
+
+        Other
+            { description: String }
+            | e| { format_args!("other error: {0}", e.description) },
     }
 }