feat(service): expand service layer with new domain operations

- Add IM service modules: audit, channel roles, custom emojis, forum
  tags, integrations, invitations, repo links, slash commands, stages,
  voice, webhooks
- Add PR service modules: review requests, templates
- Add repo service modules: contributors, release assets, git extras
  (archive, branch rename, commit extras, diff/merge, tag, tree)
- Add user service: social (follow/block)
- Add internal auth service
- Update existing service modules with expanded functionality
- Remove deleted IM modules: articles, delivery trace, drafts,
  follows, messages, polls, presence, reactions, threads

service/repo/git/mod.rs

@@ -1,11 +1,20 @@
+pub mod archive;
 pub mod blame;
 pub mod branch;
+pub mod branch_rename;
 pub mod commit;
+pub mod commit_extras;
+pub mod commit_extras2;
 pub mod diff;
+pub mod diff_merge_extras;
 pub mod merge;
+pub mod repo_extras;
 pub mod repository;
+pub mod repository_extras;
 pub mod tag;
+pub mod tag_get;
 pub mod tree;
+pub mod tree_extras;
 
 use crate::error::AppError;
 use crate::models::repos::Repo;