chore: update README and LICENSE for 1.0.0 release

LICENSE

@@ -7,13 +7,34 @@ royalty-free license to install and use Pineapple Notepad ("Software") for both
 and commercial purposes. You may use this software within your business, for-profit projects,
 or professional services.
 
-RESTRICTIONSs
+RESTRICTIONS
 
 * No Resale: You may not sell, rent, lease, sublicense, or distribute the Software for money,
   nor may you bundle the Software with other products or services for sale.
 * No Modification: You may not modify, reverse engineer, decompile, or disassemble the Software.
 * No Rebranding: You may not remove any copyright notices, branding, or logos from the Software.
 
+SPONSOR LICENSE
+
+If you have received a sponsor license file (.lic) for the Software, the following additional
+terms apply to the sponsor license and to any features that require sponsor activation:
+
+* Personal Use: You may use your sponsor license file to activate the Software on any number of
+  devices that you personally own or control.
+* No Distribution: You may not share, sell, rent, lease, sublicense, publish, or otherwise
+  distribute your sponsor license file to any other person. The sponsor license is personal to
+  the licensee identified within the file.
+* Personal Backups: You may make reasonable backup copies of your sponsor license file for your
+  own archival purposes, provided such copies are not distributed to any other person.
+* Non-Transferable: The sponsor license is non-transferable. You may not assign, transfer, or
+  sublicense your sponsor license to any other party without the Licensor's prior written
+  consent.
+
+These terms are in addition to, and do not limit, the other terms of this Agreement. The
+Software remains usable without a sponsor license under the LICENSE GRANT above; the sponsor
+license only unlocks additional features and confers no additional ownership rights in the
+Software.
+
 OWNERSHIP
 
 The Software is licensed, not sold. The Licensor retains all title, copyright, and other