readme updates

README.MD

@@ -8,4 +8,22 @@
 
 ## Features
 
-- ill write this later
+1. Buttons
+    - Base Button3D
+    - CharacterButton3D (single alphanumeric character, used for keyboard)
+    - IconButton3D 
+    - TextButton3D
+    - ToggleCharacterButton3D
+
+
+2. Panels
+    - Keyboard3D
+    - Popups
+        - Yes/No dialog
+    - VideoPlayer3D
+
+3. User Input
+    - TextInput
+
+4. Organization
+    - GridBox3D