feat: Initial commit

Sources/CliDoc/Nodes/Label.swift

@@ -0,0 +1,45 @@
+import Rainbow
+
+public struct Label: Node {
+
+  var color: NamedColor?
+  var styles: [Style]
+  let node: any Node
+
+  public init(
+    _ label: String,
+    color: NamedColor? = nil,
+    style styles: Style...
+  ) {
+    self.color = color
+    self.node = label
+    self.styles = styles
+  }
+
+  public init(
+    _ label: String,
+    color: NamedColor? = nil,
+    style styles: [Style] = []
+  ) {
+    self.color = color
+    self.node = label
+    self.styles = styles
+  }
+
+  public init(
+    color: NamedColor? = nil,
+    styles: [Style] = [],
+    @NodeBuilder _ build: () -> any Node
+  ) {
+    self.color = color
+    self.styles = styles
+    self.node = build()
+  }
+
+  public var body: some Node {
+    let output = styles.reduce(node.render()) { $0.applyingStyle($1) }
+    guard let color else { return output }
+    return output.applyingColor(color)
+  }
+
+}