add support for corner radius

Sources/phbar/Models/PHTheme/PHThemeStyle.swift

@@ -3,13 +3,15 @@ struct PHThemeStyle: Decodable {
 	let foreground: PHThemeStyleColor?
 	let background: PHThemeStyleColor?
 	let padding: PHThemeStylePadding?
+	let corner: PHThemeStyleCorner?
 
 	static let `default`: Self = {
 		PHThemeStyle(
 			name: "_default",
 			foreground: .init(color: "#000000", alpha: nil),
 			background: .init(color: "#ffffff", alpha: nil),
-			padding: .init(leading: 12, trailing: 12)
+			padding: .init(leading: 12, trailing: 12),
+			corner: nil
 		)
 	}()
 }

Sources/phbar/Models/PHTheme/PHThemeStyle/PHThemeStyleCorner.swift

@@ -0,0 +1,26 @@
+import SwiftUI
+
+struct PHThemeStyleCorner: Decodable {
+	let radius: Double
+	private let _style: PHThemeStyleCornerStyle?
+
+	var style: SwiftUI.RoundedCornerStyle {
+		switch _style {
+		case .circular:
+			return .circular
+		case .continuous:
+			return .continuous
+		default:
+			return .circular
+		}
+	}
+
+	private enum CodingKeys: String, CodingKey {
+		case radius
+		case _style = "style"
+	}
+}
+
+enum PHThemeStyleCornerStyle: String, Decodable {
+	case circular, continuous
+}

Sources/phbar/Views/TextBlockView.swift

@@ -14,8 +14,14 @@ struct TextBlockView: View {
 	var body: some View {
 		if let label = block.label, !label.isEmpty {
 			ZStack(alignment: .center) {
-				RoundedRectangle(cornerRadius: 0)
-					.foregroundStyle(block.style.background?.uiColor ?? .clear)
+				Group {
+					if let corner = block.style.corner {
+						RoundedRectangle(cornerRadius: corner.radius, style: corner.style)
+					} else {
+						Rectangle()
+					}
+				}
+				.foregroundStyle(block.style.background?.uiColor ?? .clear)
 
 				Group {
 					Text(label)