Doc updates

docs/pages/design/design.rst

@@ -0,0 +1,8 @@
+GoToSocial Design
+=================
+
+These documents describe the design of GoToSocial and provide rationale for design decisions, safety features, etc.
+
+.. toctree::
+    federation.rst
+    safety_features.rst

docs/pages/design/federation.rst

@@ -0,0 +1,6 @@
+Federation
+==========
+
+In the spirit of Mastodon and other `Fediverse <https://en.wikipedia.org/wiki/Fediverse>`_ ("federation universe") applications,
+GoToSocial uses the `ActivityPub <https://www.w3.org/TR/activitypub/>`_ protocol to communicate between its own servers and those
+of compliant software.

docs/pages/design/safety_features.rst

@@ -0,0 +1,4 @@
+Safety Features
+===============
+
+Blah blah blah blah.

docs/pages/user_facing/user_facing.rst

@@ -23,11 +23,13 @@ Install $project by running:
 
     install project
 
-Contribute
-----------
+Open Source
+-----------
 
-- Issue Tracker: github.com/gotosocial/gotosocial/issues
-- Source Code: github.com/gotosocial/gotosocial
+GoToSocial is a free and open-source project.
+
+- Issue Tracker: https://github.com/gotosocial/gotosocial/issues
+- Source Code: https://github.com/gotosocial/gotosocial
 
 Support
 -------
@@ -37,4 +39,4 @@ If you are having issues, please let us know.
 License
 -------
 
-The project is licensed under the GNU AFFERO GENERAL PUBLIC LICENSE.
+GoToSocial is licensed under the `GNU AFFERO GENERAL PUBLIC LICENSE <https://github.com/gotosocial/gotosocial/blob/main/LICENSE>`_ (AGPLv3).