feat: Adds styleguide, working on result view container.

Sources/Styleguide/ResultContainer.swift

@@ -0,0 +1,20 @@
+import Elementary
+
+public struct ResultContainer<Body: HTML>: HTML {
+  let body: Body
+
+  public init(
+    @HTMLBuilder body: () -> Body
+  ) {
+    self.body = body()
+  }
+
+  public var content: some HTML {
+    div(.class("mt-6 p-6 bg-blue-50 dark:bg-slate-400 rounded-lg")) {
+      h3(.class("text-xl font-semibold \(text: .darkGray) mb-4")) { "Results" }
+      body
+    }
+  }
+}
+
+extension ResultContainer: Sendable where Body: Sendable {}