feat: Adds page header styles, starts an Alert component.

Sources/Styleguide/Alert.swift

@@ -0,0 +1,28 @@
+import Elementary
+
+public struct Alert<Content: HTML>: HTML {
+
+  let inner: Content
+
+  public init(@HTMLBuilder content: () -> Content) {
+    self.inner = content()
+  }
+
+  public var body: some HTML<HTMLTag.div> {
+    div(.class("flex space-x-2")) {
+      SVG(.triangleAlert)
+      inner
+    }
+  }
+}
+
+extension Alert: Sendable where Content: Sendable {}
+
+extension Alert where Content == p<HTMLText> {
+
+  public init(_ description: String) {
+    self.init {
+      p { description }
+    }
+  }
+}