Fix read_single parsing failure due to \n

usdpl-back/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "usdpl-back"
-version = "0.5.0"
+version = "0.5.1"
 edition = "2021"
 license = "GPL-3.0-only"
 repository = "https://github.com/NGnius/usdpl-rs"

usdpl-back/src/api_common/files.rs

@@ -18,5 +18,5 @@ pub fn read_single<P: AsRef<Path>, D: FromStr<Err=E>, E>(path: P) -> Result<D, (
     let mut file = File::create(path).map_err(|e| (Some(e), None))?;
     let mut string = String::new();
     file.read_to_string(&mut string).map_err(|e| (Some(e), None))?;
-    string.parse().map_err(|e| (None, Some(e)))
+    string.trim().parse().map_err(|e| (None, Some(e)))
 }