Add some readme

Author: trzecieu

README.md

@@ -27,6 +27,17 @@ __If you're looking for readme related to dockerimages, please see following tab
 |Readme|[emscripten.md](emscripten.md)|
 
 
+## trzeci/emscripten-upstream
+[![Docker Pulls](https://img.shields.io/docker/pulls/trzeci/emscripten-upstream.svg)](https://store.docker.com/community/images/trzeci/emscripten-upstream/)
+[![Size](https://images.microbadger.com/badges/image/trzeci/emscripten-upstream.svg)](https://microbadger.com/images/trzeci/emscripten-upstream/)
+[![Sanity](https://badges.herokuapp.com/travis/trzecieu/emscripten-docker?env=IMAGE=trzeci/emscripten-upstream&label=hello)](https://travis-ci.org/trzecieu/emscripten-docker)
+
+| | |
+|-|-|
+|Docker Hub|[trzeci/emscripten-upstream](https://hub.docker.com/r/trzeci/emscripten-upstream/)|
+|Readme|[emscripten.md](emscripten.md)|
+
+
 ## Usage of build script
 ```
 ./build --help

emscripten-upstream.md

@@ -0,0 +1,4 @@
+#### Info
+Version of `trzeci/emscripten` that uses upstream compiler instead of fastcomp.
+
+Only valid for 1.38.40+