Improve settings, sidebars

CHDataManagement/Model/Settings/PostSettings.swift

@@ -0,0 +1,17 @@
+import Foundation
+
+final class PostSettings: ObservableObject {
+
+    /// The number of posts to show in a single page of the news feed
+    @Published
+    var postsPerPage: Int
+
+    /// The maximum width of the main content
+    @Published
+    var contentWidth: CGFloat
+
+    init(postsPerPage: Int, contentWidth: CGFloat) {
+        self.postsPerPage = postsPerPage
+        self.contentWidth = contentWidth
+    }
+}