Add README files to loading and multiplayer demos

networking/multiplayer_bomber/README.md

@@ -0,0 +1,13 @@
+# Multiplayer Bomber
+
+A multiplayer implementation of the classical bomberman game.
+One of the players should press "host", while the other
+should type in his address and press "play". 
+
+Language: GDScript
+
+Renderer: GLES 2
+
+## Screenshots
+
+![Screenshot](screenshots/bomber.png)

networking/multiplayer_pong/README.md

@@ -0,0 +1,14 @@
+# Pong Multiplayer
+
+A multiplayer demo of the classical pong game.
+One of the players should press "host", while the other should select the address and press "join". 
+
+Language: GDScript
+
+Renderer: GLES 2
+
+Note: The non-multiplayer version is available [here](https://github.com/godotengine/godot-demo-projects/tree/master/2d/pong).
+
+## Screenshots
+
+![Screenshot](screenshots/pong_multiplayer.png)