Add desktop store and entry creation workflows

crates/storage/src/git.rs

@@ -938,8 +938,11 @@ impl GitRepository {
         path: &Path,
         identity: GitIdentity,
     ) -> Result<Self, GitError> {
-        let relative = validate_relative(path)?;
-        let mut candidate = store.root_path().join(relative);
+        let mut candidate = if path.as_os_str().is_empty() {
+            store.root_path().to_owned()
+        } else {
+            store.root_path().join(validate_relative(path)?)
+        };
         if !candidate.is_dir() {
             candidate.pop();
         }