Clarify Source Available terms for original project files

LICENSE

@@ -1,8 +1,12 @@
-REDGIFS VIDEO DOWNLOADER PROPRIETARY LICENSE
-Version 1.0, 14 August 2026
+REDGIFS VIDEO DOWNLOADER SOURCE AVAILABLE LICENSE
+Version 1.1, 11 October 2026
 
 Copyright (c) 2026 DepressedCat. All rights reserved.
 
+This Source Available license applies to the original code, documentation,
+website and original artwork of this project. Separately licensed third-party
+components remain governed by their own licenses.
+
 1. LIMITED END-USER LICENSE
 
 Subject to this License, the copyright holder grants an individual end user a
@@ -11,6 +15,11 @@ an unmodified official release of RedGifs Video Downloader solely for personal,
 non-commercial use and solely to save content that the end user owns or has
 explicit permission from the applicable rights holder to save.
 
+Viewing and studying the published source code, keeping a local copy for
+inspection, building an unmodified official version for the permitted use,
+and making necessary installation and backup copies are also permitted.
+These permissions do not authorize modification, forks or redistribution.
+
 2. NO OTHER RIGHTS GRANTED
 
 Except for the limited permission in Section 1, no permission is granted to:
@@ -37,6 +46,14 @@ to third-party content, names, trademarks, services, or APIs. The end user is
 solely responsible for obtaining all necessary permissions and complying with
 applicable law and third-party terms.
 
+Third-party components remain governed by licenses granted by their respective
+copyright holders. This License does not restrict rights granted by those
+licenses, including modification, derivative works and redistribution where
+allowed. Those rights apply to the relevant third-party components and grant
+no additional rights to the original parts of this Software, except where
+required by the applicable third-party licenses or mandatory law.
+Rights that applicable law does not permit restricting remain unaffected.
+
 4. TERMINATION
 
 This License terminates automatically upon breach. On termination, the end user