add Ethereum VM architecture

README.md

bindings/const_generator.py

bindings/go/keystone/evm_const.go

bindings/go/keystone/keystone_const.go

bindings/nodejs/consts/evm.js

bindings/nodejs/consts/keystone.js

bindings/powershell/Keystone/Const/keystone_h.cs

bindings/python/keystone/evm_const.py

bindings/python/keystone/keystone.py

bindings/python/keystone/keystone_const.py

bindings/ruby/keystone_gem/lib/keystone/evm_const.rb

bindings/ruby/keystone_gem/lib/keystone/keystone_const.rb

bindings/rust/src/keystone_const.rs

include/keystone/evm.h

include/keystone/keystone.h

kstool/kstool.cpp

llvm/keystone/CMakeLists.txt

llvm/keystone/EVMMapping.cpp

llvm/keystone/EVMMapping.h

llvm/keystone/evm.h