refactor(models): update data models and remove deprecated IM entities

- Update channel, notification, PR, repo, user, workspace models
- Remove deleted IM models: articles, channel follows, message
  attachments/bookmarks/drafts/edit history/embeds/mentions/pins/
  polls/reactions/threads, saved messages, thread read states
- Add new PR models: review requests, templates
- Add repo release assets model
- Add base_info module for API detail responses

models/repos/mod.rs

@@ -10,6 +10,7 @@ pub mod repo_members;
 pub mod repo_push_commit;
 pub mod repo_push_lock;
 pub mod repo_queries;
+pub mod repo_release_assets;
 pub mod repo_releases;
 pub mod repo_stars;
 pub mod repo_stats;
@@ -18,7 +19,7 @@ pub mod repo_watches;
 pub mod repo_webhooks;
 
 pub use branch_protection_rule::BranchProtectionRule;
-pub use repo::Repo;
+pub use repo::{Repo, RepoDetail};
 pub use repo_branches::RepoBranch;
 pub use repo_commit_comments::RepoCommitComment;
 pub use repo_commit_statuses::RepoCommitStatus;
@@ -28,6 +29,7 @@ pub use repo_invitations::RepoInvitation;
 pub use repo_members::RepoMember;
 pub use repo_push_commit::RepoPushCommit;
 pub use repo_push_lock::RepoPushLock;
+pub use repo_release_assets::RepoReleaseAsset;
 pub use repo_releases::RepoRelease;
 pub use repo_stars::RepoStar;
 pub use repo_stats::RepoStats;