Add errors definitions

leo/errors/commands/login.rs

@@ -0,0 +1,13 @@
+use std::ffi::OsString;
+
+#[derive(Debug, Error)]
+pub enum LoginError {
+    #[error("{:?}", _0)]
+    CannotGetToken(OsString),
+
+    #[error("connectin unavalaible {:?}", _0)]
+    ConnectionUnavalaible(OsString),
+
+    #[error("wrong login or password {:?}", _0)]
+    WrongLoginOrPassword(OsString),
+}