Add disclaimer.
* MIR project goal is to provide a basis to implement fast and light weight interpreters and JITs
* Plans to try MIR light-weight JIT first for CRuby or/and MRuby implementation
+## Disclaimer
+ * This code is only for familiarization with the project. There
+ is absolutely no warranty that MIR will not be changed in the
+ future and the code will work for any tests except ones given
+ here.
+
## MIR
* MIR is strongly typed
* MIR can represent machine 32-bit and 64-bit insns of different architectures
