feat: configure interchangeable top and bottom bars

examples/config.rb

@@ -7,7 +7,14 @@ Vamp.configure do |config|
   config.file_explorer_side = "right"
   config.file_explorer_view = "tree"
   config.file_picker_view = "tree"
-  config.tabline = {
+  # Status above, tabs below; either bar accepts all segments and style options.
+  config.bar.top = {
+    left: [:mode, :path, :language, :diagnostics, :selections, :count, :pending, :buffer],
+    center: [], right: [:position],
+    mode: { padding: 1, leading_edge: "", trailing_edge: "▓▒░" },
+    position: { padding: 1, leading_edge: "░▒▓", trailing_edge: "" }
+  }
+  config.bar.bottom = {
     left: [:tabs], center: [], right: [:battery],
     tabs: {
       title: "{index} {name}{modified}", padding: 1,
@@ -15,12 +22,6 @@ Vamp.configure do |config|
     },
     battery: { padding: 1, leading_edge: "░▒▓", trailing_edge: "" }
   }
-  config.statusline = {
-    left: [:mode, :path, :language, :diagnostics, :selections, :count, :pending, :buffer],
-    center: [], right: [:position],
-    mode: { padding: 1, leading_edge: "", trailing_edge: "▓▒░" },
-    position: { padding: 1, leading_edge: "░▒▓", trailing_edge: "" }
-  }
   config.labels = { battery: "bat 38%" } # Static example; plugins update via editor.label(name, text)
   config.bind "ctrl+j", config.core.down, mode: config.modes.selection
   config.bind "ctrl+k", config.core.up, mode: config.modes.selection