Introduce a status bar and add the cursor position to it

Co-Authored-By: Nathan Sobo <nathan@zed.dev>
Co-Authored-By: Max Brunsfeld <max@zed.dev>

crates/theme/src/lib.rs

@@ -35,6 +35,7 @@ pub struct Workspace {
     pub pane_divider: Border,
     pub left_sidebar: Sidebar,
     pub right_sidebar: Sidebar,
+    pub status_bar: StatusBar,
 }
 
 #[derive(Clone, Deserialize, Default)]
@@ -88,6 +89,14 @@ pub struct SidebarItem {
     pub height: f32,
 }
 
+#[derive(Deserialize, Default)]
+pub struct StatusBar {
+    #[serde(flatten)]
+    pub container: ContainerStyle,
+    pub height: f32,
+    pub cursor_position: TextStyle,
+}
+
 #[derive(Deserialize, Default)]
 pub struct ChatPanel {
     #[serde(flatten)]