Merge pull request 'Fix lockfile' (#114) from fix-lock into go-sbot-service

Reviewed-on: #114

peach-lib/src/config_manager.rs

@@ -132,7 +132,10 @@ pub fn save_peach_config_to_disc(
     peach_config: HashMap<String, String>,
 ) -> Result<HashMap<String, String>, PeachError> {
     // use a file lock to avoid race conditions while saving config
-    let mut lock = LockFile::open(&*LOCK_FILE_PATH)?;
+    let mut lock = LockFile::open(&*LOCK_FILE_PATH).map_err(|source| PeachError::Read {
+        source,
+        path: LOCK_FILE_PATH.to_string(),
+    })?;
     lock.lock()?;
 
     // first convert Hashmap to BTreeMap (so that keys are saved in deterministic alphabetical order)