docs: update README.md

README.md

@@ -1,2 +1,37 @@
-# navigator.extensions.probabilities
+# Navigator.Extensions.Probabilities
 🔛 Specify the probabilities of an action being triggered with ease
+
+# Usage
+
+```c#
+...
+
+builder.Services
+    .AddNavigator(options =>
+    {
+        ...
+    })
+    .WithExtension.Probabilities();
+
+var app = builder.Build();
+
+...
+```
+
+
+# License
+Navigator Extensions Probabilities
+Copyright (C) 2019-2021  [Lucas Maximiliano Marino](https://lucasmarino.me)
+
+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/>.