Add support for tvOS

ApplicationLibrary/Views/Abstract/Formtem.swift

@@ -17,19 +17,21 @@ public func FormTextItem(_ name: String, _ value: String) -> some View {
         Text(value)
             .multilineTextAlignment(.trailing)
             .font(Font.system(.caption, design: .monospaced))
+        #if os(iOS) || os(macOS)
             .textSelection(.enabled)
+        #endif
     }
 }
 
 public func FormItem(_ title: String, @ViewBuilder content: () -> some View) -> some View {
-    #if os(iOS)
+    #if os(iOS) || os(tvOS)
         HStack {
             Text(title)
             Spacer()
             Spacer()
             content()
         }
-    #else
+    #elseif os(macOS)
         content()
     #endif
 }