Readme: update list of supported file formats.

Readme.md

@@ -1,5 +1,6 @@
 Open Asset Import Library (assimp)
 ==================================
+A library to import and export various 3d-model-formats including scene-post-processing to generate missing render data.
 ### Current build status ###
 [![Linux Build Status](https://travis-ci.org/assimp/assimp.svg)](https://travis-ci.org/assimp/assimp)
 [![Windows Build Status](https://ci.appveyor.com/api/projects/status/tmo433wax6u6cjp4?svg=true)](https://ci.appveyor.com/project/kimkulling/assimp)
@@ -29,46 +30,62 @@ Please check our Wiki as well: https://github.com/assimp/assimp/wiki
 
 A full list [is here](http://assimp.org/main_features_formats.html).
 __Importers__:
-
+- 3D
 - 3DS
-- BLEND (Blender)
+- 3MF
-- DAE/Collada
+- AC
-- FBX
+- AC3D
-- IFC-STEP
+- ACC
+- AMJ
 - ASE
+- ASK
+- B3D;
+- BLEND (Blender)
+- BVH
+- COB
+- CMS
+- DAE/Collada
 - DXF
-- HMP
+- ENFF
+- FBX
+- GLB/GLTF
+- HMB
+- IFC-STEP
+- IRR / IRRMESH
+- LWO
+- LWS
+- LXO
 - MD2
 - MD3
 - MD5
 - MDC
 - MDL
-- NFF
+- MESH / MESH.XML
-- PLY
+- MOT
-- STL
-- X
-- OBJ
-- OpenGEX
-- SMD
-- LWO
-- LXO
-- LWS  
-- TER
-- AC3D
 - MS3D
-- COB
-- Q3BSP
-- XGL
-- CSM
-- BVH
-- B3D
 - NDO
-- Ogre Binary
+- NFF
-- Ogre XML
+- OBJ
-- Q3D
+- OFF
-- ASSBIN (Assimp custom format)
+- OGEX
-- glTF (partial)
+- PLY
-- 3MF
+- PMX
+- PRJ
+- Q3O
+- Q3S
+- RAW
+- SCN
+- SIB
+- SMD
+- STL
+- STP
+- TER
+- UC
+- VTA
+- X
+- X3D
+- XGL
+- ZGL
 
 Additionally, some formats are supported by dependency on non-free code or external SDKs (not built by default):
 
@@ -86,6 +103,7 @@ __Exporters__:
 - ASSBIN
 - STEP
 - glTF (partial)
+- glTF2.0
 
 ### Building ###
 Take a look into the `INSTALL` file. Our build system is CMake, if you used CMake before there is a good chance you know what to do.