Adding license text to src files, some descriptions. And small theming changes.

src/main.rs

@@ -1,3 +1,28 @@
+    // <Kira Installer - universal Linux installer.>
+    // Copyright (C) <2026>  <Kira Foundation>
+
+    // This program is free software: you can redistribute it and/or modify
+    // it under the terms of the GNU General Public License as published by
+    // the Free Software Foundation, either version 3 of the License, or
+    // (at your option) any later version.
+
+    // 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.  See the
+    // GNU General Public License for more details.
+
+    // You should have received a copy of the GNU General Public License
+    // along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+
+/*
+    This file is the main application file.
+    Main logic and stuff is located here. Including config loading.
+    stages loading, switching between stages, and stuff.
+ */
+
+
+
 
 use iced::widget;
 use iced::Alignment;
@@ -104,7 +129,7 @@ pub fn main() -> iced::Result {
 
     iced::application(app_init, update, view)
         .centered()
-        .theme(theme::dark_theme())
+        .theme(theme::main_theme())
         .run()
     
 }