Add assets and instructions on how to extract them

Author: coyotte508

.gitattributes

@@ -15,3 +15,4 @@
 *.PDF	 diff=astextplain
 *.rtf	 diff=astextplain
 *.RTF	 diff=astextplain
+assets/oras.zip filter=lfs diff=lfs merge=lfs -text

README.md

@@ -5,6 +5,7 @@
 On Linux:
 
 ```
+sudo apt-get install unzip
 sudo apt-get install default-jdk
 sudo apt-get install gradle
 ```
@@ -13,11 +14,24 @@ On Windows, install `chocolatey` and then in administrative command line:
 
 ```
 #You may also need to install the appropriate jdk with choco install jdkX (with X being 7, 8, ...)
-choco install gradle
+choco install unzip gradle
+```
+
+You also need to install [git-lfs](https://git-lfs.github.com/).
+
+##Setup
+
+```
+git lfs fetch
+unzip assets/oras.zip -d assets/
 ```
 
 ###Build
 
+You can run the desktop test version from your IDE as per libgdx' guidelines.
+
+You can also build it for use in the webclient.
+
 On Linux:
 ```
 ./gradlew html:dist

assets/oras.zip

@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:1501b99b748d90b89dfcde91521c80d582cc0b5895ca97f06c04c4df2d07f869
+size 170985739