update license - clarify attribution requirement (#2192)

## Description:

Clarify and add additional requirements to attribution.

## Please complete the following:

- [x] I have added screenshots for all UI updates
- [x] I process any text displayed to the user through translateText()
and I've added it to the en.json file
- [x] I have added relevant tests to the test directory
- [x] I confirm I have thoroughly tested these changes and take full
responsibility for any bugs introduced

## Please put your Discord username so you can be contacted if a bug or
regression is found:

evan

README.md

@@ -20,11 +20,12 @@ This is a fork/rewrite of WarFront.io. Credit to https://github.com/WarFrontIO.
 
 OpenFront source code is licensed under the **GNU Affero General Public License v3.0** with additional attribution requirements:
 
-- Any forks or derivative works must display attribution (e.g., "Based on OpenFront", "Derived from OpenFront", "Powered by OpenFront", or "Fork of OpenFront") prominently on the main menu/UI screen
-- Forks must not use "OpenFront" as the primary title or imply official endorsement
-- "OpenFront" is a trademark and must be used in compliance with applicable trademark law
+- Any forks or derivative works must display attribution (e.g., "Based on OpenFront", "Derived from OpenFront", "Powered by OpenFront", or "Fork of OpenFront") prominently on the main menu and/or initial title screen.
 
-See [LICENSE](LICENSE), [LICENSE-ASSETS](LICENSE-ASSETS), and [LICENSING.md](LICENSING.md) for full details.
+See the `ADDITIONAL TERMS` section in [LICENSE](LICENSE) for complete requirements.
+
+For asset licensing, see [LICENSE-ASSETS](LICENSE-ASSETS).  
+For license history, see [LICENSING.md](LICENSING.md).
 
 ## 🌟 Features