refactor(instagram): organize files

src/error.rs

@@ -0,0 +1,27 @@
+use thiserror::Error;
+
+#[derive(Debug, Error)]
+pub enum Error {
+    #[error("io error: {0}")]
+    Io(#[from] std::io::Error),
+
+    #[error("instaloader failed: {0}")]
+    InstaloaderFaileled(String),
+
+    #[error("no media found")]
+    NoMediaFound,
+
+    #[error("unknown media kind")]
+    UnknownMediaKind,
+
+    #[error("teloxide error: {0}")]
+    Teloxide(#[from] teloxide::RequestError),
+
+    #[error("join error: {0}")]
+    Join(#[from] tokio::task::JoinError),
+
+    #[error("other: {0}")]
+    Other(String),
+}
+
+pub type Result<T> = std::result::Result<T, Error>;