* Add license header

src/fresnel.app.pas

@@ -1,3 +1,18 @@
+{
+    This file is part of the Fresnel Library.
+    Copyright (c) 2024 by the FPC & Lazarus teams.
+
+    Application class for Fresnel
+
+    See the file COPYING.modifiedLGPL.txt, included in this distribution,
+    for details about the copyright.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+ **********************************************************************}
+
 unit Fresnel.App;
 
 {$mode objfpc}{$H+}

src/fresnel.pas

@@ -1,3 +1,18 @@
+{
+    This file is part of the Fresnel Library.
+    Copyright (c) 2024 by the FPC & Lazarus teams.
+
+    Select a widgetset
+
+    See the file COPYING.modifiedLGPL.txt, included in this distribution,
+    for details about the copyright.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+ **********************************************************************}
+
 unit Fresnel;
 
 {$IF FPC_FULLVERSION < 30301}

src/skia/fresnel.skiarenderer.pas

@@ -1,3 +1,18 @@
+{
+    This file is part of the Fresnel Library.
+    Copyright (c) 2024 by the FPC & Lazarus teams.
+
+    Skia Rendering backend for Fresnel
+
+    See the file COPYING.modifiedLGPL.txt, included in this distribution,
+    for details about the copyright.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+
+ **********************************************************************}
+
 unit Fresnel.SkiaRenderer;
 
 {$mode objfpc}{$H+}