add brand theme

crates/workspace/src/views/repo_detail/diff.rs

@@ -303,7 +303,7 @@ impl CommitDiffView {
         };
 
         let body: AnyElement = if file.binary {
-            placeholder("Binary file — diff not available", cx)
+            placeholder("Diff not available", cx)
         } else if file.hunks.is_empty() {
             placeholder("No content changes", cx)
         } else {
@@ -525,7 +525,6 @@ impl CommitDiffView {
                     .text_xs()
                     .child(
                         Tag::primary()
-                            .outline()
                             .small()
                             .child(format!("{files} files changed")),
                     )

crates/workspace/src/views/repo_detail/mod.rs

@@ -1212,7 +1212,6 @@ impl Render for RepoDetailView {
         v_flex()
             .id("repo")
             .size_full()
-            .gap_4()
             .child(self.render_header(cx))
             .map(|this| match self.active_tab {
                 0 => this.child(