Set license better

Cargo.toml

@@ -2,7 +2,7 @@
 name = "monstrous"
 version = "0.1.0"
 edition = "2021"
-license = "AGPL-3.0+"
+license = "AGPL-3.0-or-later"
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 

README.md

@@ -0,0 +1,31 @@
+# Monstrous
+
+A game of survival, community, and unspeakable horror. Maybe. One day. Hopefully.
+
+## How to build?
+
+Having Rust installed, clone the repository and do:
+
+```bash
+$ cargo run
+```
+
+...that's it. Right now it won't do much.
+
+## License
+
+Monstrous, a game of survival, community and unspeakable horror.
+Copyright (C) 2022 Sandra Modzelewska
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero 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 Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.