Initial upload: DevDash CLI with TUI dashboard

src/ui/styles.tcss

@@ -0,0 +1,43 @@
+Screen {
+    background: $surface;
+}
+
+Static {
+    color: $text;
+}
+
+#header {
+    dock: top;
+    height: 3;
+    background: $accent;
+    color: $text;
+}
+
+#footer {
+    dock: bottom;
+    height: 1;
+    background: $surface-darken-1;
+    color: $text-muted;
+}
+
+DashboardPanel {
+    border: solid $accent;
+    padding: 1;
+    height: 100%;
+}
+
+PullRequestCard {
+    border: solid $surface-lighten-1;
+    padding: 1;
+    margin: 0 0 1 0;
+}
+
+IssueCard {
+    border: solid $surface-lighten-1;
+    padding: 1;
+    margin: 0 0 1 0;
+}
+
+StatusIndicator {
+    dock: right;
+}