added readme and license

LICENCE.md

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+You must receive explicit approval from uzalu before using any part of this ruleset in any way. This strict requirement is expected to only be present during development.
+
+It is likely that you will be allowed to use it, but you may be required to meet certain reasonable requirements.
+
+In any case, it will always be required to prominently give credit to Maxima and uzalu, and link back to an official page providing them, which is currently only [this repository](https://git.uzalu.net/uzalu/Maxima_2024).

README.md

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+# Maxima 2025
+
+A set of rules and guidance  
+Which make it easier to create and run  
+Challenging Narrative Role-Playing Games  
+Conducted among friends  
+
+Created by uzalu
+
+**[Ruleset](./maxima_2025.html)**  
+**[License](./LICENCE.md)**
+
+# Development Status
+
+Currently, Maxima 2025 may not be fully stable.
+
+The ruleset can be used, but there are still some incomplete parts, and there may be some unforseen pitfalls.
+
+Some terms are working titles, and may change.
+
+# Maxima Editions
+
+- Maxima 2025 (This edition)
+- [Maxima 2024](https://maxima2024.uzalu.net)
+- [Maxima 2023](https://maxima2023.uzalu.net)
+- [Maxima 2022](https://maxima2022.uzalu.net)
+- [Maxima 2021](https://maxima2021.uzalu.net)