Add README.TXT for java bindings

bindings/java/README.TXT

@@ -0,0 +1,34 @@
+This documentation explains how to install the Java binding for Unicorn
+from source.
+
+0. Install the core engine as dependency
+
+   Follow README in the root directory to compile & install the core.
+
+   On *nix, this can simply done by:
+
+        $ sudo ./make.sh install
+
+
+1. Install a JDK for your platform. When done, make sure the JDK tools
+   are in your PATH.
+
+2. Change directories into the java bindings, build and install
+
+   $ cd bindings/java
+   $ make
+   $ sudo make install
+   $ make samples
+
+The samples directory contains some sample code to show how to use Unicorn API.
+
+- Sample_<arch>.java
+  These show how to access architecture-specific information for each
+  architecture.
+
+- Shellcode.java
+  This shows how to analyze a Linux shellcode.
+
+- SampleNetworkAuditing.java
+  Unicorn sample for auditing network connection and file handling in shellcode.
+