Add tag overview, improve assets

CHDataManagement/Storage/Model/Settings/PostSettingsFile.swift

@@ -7,6 +7,12 @@ struct PostSettingsFile {
 
     /// The maximum width of the main content
     let contentWidth: Int
+
+    let swiperCssFile: String?
+
+    let swiperJsFile: String?
+
+    let defaultCssFile: String?
 }
 
 extension PostSettingsFile: Codable { }
@@ -15,6 +21,9 @@ extension PostSettingsFile {
 
     static var `default`: PostSettingsFile {
         .init(postsPerPage: 25,
-              contentWidth: 600)
+              contentWidth: 600,
+              swiperCssFile: nil,
+              swiperJsFile: nil,
+              defaultCssFile: nil)
     }
 }