feat(tree): add recent commit metadata and LFS support to file metadata

- Added RecentCommit message definition with oid, subject and timestamp fields
- Extended TreeEntry, Tree, and FileMetadata messages with is_lfs and recent_commit fields
- Updated get_file_metadata function to include recent commit information
- Added tree module import and recent_commit lookup functionality
- Updated protobuf definitions to include new metadata fields
- Enhanced file metadata response with LFS status and commit history

tree/get_file_metadata.rs

@@ -3,6 +3,7 @@ use gix::object::tree::EntryKind;
 use crate::bare::GitBare;
 use crate::error::{GitError, GitResult};
 use crate::pb::{FileMetadata, GetFileMetadataRequest, ObjectType, object_selector};
+use crate::tree;
 
 impl GitBare {
     pub fn get_file_metadata(&self, request: GetFileMetadataRequest) -> GitResult<FileMetadata> {
@@ -26,6 +27,7 @@ impl GitBare {
             EntryKind::Commit => ObjectType::Commit,
             _ => ObjectType::Blob,
         } as i32;
+        let rc = tree::recent_commit(self, &revision, &request.path);
         Ok(FileMetadata {
             path: request.path,
             oid: Some(self.oid_to_pb(hex)),
@@ -33,6 +35,8 @@ impl GitBare {
             size: 0,
             r#type: kind,
             binary: false,
+            is_lfs: false,
+            recent_commit: rc,
         })
     }
 }