Updated the profile look and feel

Closes: #203
Changelog-Changed: Updated profile page look and feel

damus/Util/Theme.swift

@@ -0,0 +1,28 @@
+//
+//  Theme.swift
+//  damus
+//
+//  Created by Ben Weeks on 1/1/23.
+//
+
+import Foundation
+import UIKit
+
+class Theme {
+    static func navigationBarColors(background : UIColor?,
+       titleColor : UIColor? = nil, tintColor : UIColor? = nil ){
+        
+        let navigationAppearance = UINavigationBarAppearance()
+        navigationAppearance.configureWithOpaqueBackground()
+        navigationAppearance.backgroundColor = background ?? .clear
+        
+        navigationAppearance.titleTextAttributes = [.foregroundColor: titleColor ?? .black]
+        navigationAppearance.largeTitleTextAttributes = [.foregroundColor: titleColor ?? .black]
+       
+        UINavigationBar.appearance().standardAppearance = navigationAppearance
+        UINavigationBar.appearance().compactAppearance = navigationAppearance
+        UINavigationBar.appearance().scrollEdgeAppearance = navigationAppearance
+
+        UINavigationBar.appearance().tintColor = tintColor ?? titleColor ?? .black
+    }
+}