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

Sources/Styleguide/PageTitle.swift

@@ -1,5 +1,27 @@
 import Elementary
 
+public struct PageTitleRow<Content: HTML>: HTML, Sendable where Content: Sendable {
+
+  let inner: Content
+
+  public init(@HTMLBuilder content: () -> Content) {
+    self.inner = content()
+  }
+
+  public var body: some HTML<HTMLTag.div> {
+    div(
+      .class(
+        """
+        flex justify-between bg-secondary border-2 border-primary rounded-sm shadow-sm 
+        p-6 w-full
+        """
+      )
+    ) {
+      inner
+    }
+  }
+}
+
 public struct PageTitle: HTML, Sendable {
 
   let title: String