feat: impl Logstore::read by LogFile::create_stream (#124)

* feat: bridge LogStore::read to LogFile::create_stream

* fix some CR comments

src/storage/src/wal.rs

@@ -127,7 +127,7 @@ impl<S: LogStore> Wal<S> {
 
         let res = self
             .store
-            .append(ns, e)
+            .append(&ns, e)
             .await
             .map_err(BoxedError::new)
             .context(error::WriteWalSnafu { name: self.name() })?;